---
product_id: 36484816
title: "321 Strong Foam Roller - Medium Density Deep Tissue Massager for Muscle Massage and Myofascial Trigger Point Release, with 4K eBook"
brand: "321 strong"
price: "HK$421"
currency: HKD
in_stock: true
reviews_count: 13
category: "321 Strong"
url: https://www.desertcart.hk/products/36484816-321-strong-foam-roller-medium-density-deep-tissue-massager-muscle
store_origin: HK
region: Hong Kong
---

# Patented deep tissue projections Medium density for firm yet controlled pressure Includes 4K companion eBook guide 321 Strong Foam Roller - Medium Density Deep Tissue Massager for Muscle Massage and Myofascial Trigger Point Release, with 4K eBook

**Brand:** 321 strong
**Price:** HK$421
**Availability:** ✅ In Stock

## Summary

> 💥 Unlock next-level muscle recovery and feel the power of patented precision!

## Quick Answers

- **What is this?** 321 Strong Foam Roller - Medium Density Deep Tissue Massager for Muscle Massage and Myofascial Trigger Point Release, with 4K eBook by 321 strong
- **How much does it cost?** HK$421 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/36484816-321-strong-foam-roller-medium-density-deep-tissue-massager-muscle)

## Best For

- 321 strong enthusiasts

## Why This Product

- Trusted 321 strong brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bonus Expert Guidance:** Free 4K eBook included to maximize your foam rolling technique and results.
- • **Durable & Lightweight:** Super-strong core wrapped in BPA-free EVA foam ensures premium feel and long-lasting use.
- • **Therapist-Level Precision:** Patented textured projections mimic hands & thumbs for targeted myofascial release.
- • **Customizable Intensity Zones:** Three distinct massage zones let you dial in pressure from fingertips to palm base.
- • **Clinically Proven Recovery Boost:** Reduces soreness by up to 30% and recovery time by 20% with consistent use.

## Overview

The 321 Strong Foam Roller features patented medium-density textured projections designed to deliver deep tissue massage and myofascial trigger point release. Crafted with a durable, lightweight core wrapped in BPA-free EVA foam, it offers three massage zones that replicate the feel of a physical therapist’s hands. Clinically proven to reduce soreness by 30% and speed recovery by 20%, it comes with a free 4K eBook guide to optimize your routine. Perfect for all fitness levels, this roller is a must-have for anyone serious about muscle health and injury prevention.

## Description

desertcart.com : 321 Strong Foam Roller - Medium Density Deep Tissue Massager for Muscle Massage and Myofascial Trigger Point Release, with 4K eBook - Aqua : Sports & Outdoors

Review: Great quality and very effective! - This is excellent quality and super durable. It still seems brand new after years of consistent use. I expected the foam to be spongier, but it's actually for the best that it's so firm because it's easier to control. Although the spikes look a bit intimidating, the surface feels surprisingly even when I'm rolling flat, and I can also target specific spots simply by adjusting my position. By turning my torso to the side while rolling my back, I can even work the knots under my shoulder blades, which is fantastic since that's mainly why I bought this. It's also proven quite effective at relieving tightness and cramps I often experience due to Restless Legs Syndrome. Rolling my calves and thighs before bed really relaxes my legs, which helps me fall asleep much faster and wake up without soreness. My best friend owns one too and swears by it after vigorous workouts. It can even be used purely for pleasure, as the massage function feels enjoyable all around. Best of all, there are plenty of ways to utilize it regardless of one's fitness level. I have poor upper body strength but still found many easy exercises that alleviate my back and leg issues. There are tons of great guides online. I suggest securing loose clothing and long hair beforehand, and I'd also recommend starting slow and taking care not to overdo it. This is an extremely versatile and valuable tool when used in moderation, but going too long or hard, especially on a single area, can result in bruising. Once I began limiting sessions to 15 minutes, I had no further issues. My only complaint is the length. I'm a woman with a small frame, and this is the same size as my upper back from shoulder to shoulder. I struggle to stay perfectly straight while rolling my back, so I start falling off the side as soon as I become crooked. With a few extra inches of leeway, I wouldn't have to stop and reposition so often. That's just a matter of convenience though. A longer model wouldn't be any more effective, and I don't plan on replacing this one until absolutely necessary because I'm so satisfied with it otherwise.
Review: It really gets in there - Love this foam roller! Its nice and compact for easy storage and doesn't have a lot of give like my last foam roller. The different textures really get into the muscle and work out any knots

## Features

- PATENTED TECHNOLOGY: Relieve sore muscles, perform deep tissue massage and acupressure with our medium density massage roller, great for relieving back pain. The patented projections extend deep into soft tissue and fascia to break up knots and calm tense muscles in your neck and back
- SUPERIOR QUALITY: Our textured foam roller mimics the hands, fingers, and thumbs of a physical therapist, but in the privacy of your own home. It features a super-strong and lightweight core, and is entirely wrapped in BPA-free closed cell EVA foam for a premium look and feel. The density of the projections, and their unique shape and pattern offer effective results with a comfortable level or penetration into the soft tissue and muscle fascia
- TARGETED RELIEF FROM PAINFUL ADHESIONS: Exceptionally suited for a comfortable yet effective deep tissue massage, our product is designed from the ground up to flush lactic acid from muscle tissue, enhance pre- and post- workout stretching and recovery. It is firm enough to offer therapy to the muscle groups on either side of the spine, yet soft enough to not hurt the spine when rolled directly
- UP YOUR STRETCH GAME: Our massage roller offers three massage zones that allow you to dial in your massage intensity. The smallest projections are like a massage therapists finger tips, the larger projections mimic the thumbs, and the largest ones feel like the base of the palms. There is no hard plastic in our product, so you won’t crack it, and it supports an incredible amount of weight so it won’t deform or flex
- QUICK AND EFFECTIVE: Foam rolling for just 20 minutes after exercise, and again at 24 and 48 hours has been clinically proven to reduce recovery time by 20%, increase flexibility by 10%, and reduce soreness by as much as 30%. They have also been shown to decrease the risk of injuries in the first place
- Protected by 7 US Patents: 9,345,921; 9,539,167; 9,656,112; 10,278,890; 10,695,260; 12,201,571; 12,193,986
- eBOOK COMPANION GUIDE - Please download our companion eBook right here on this page, under the section called "Product guides and documents" or eBook can be downloaded for free via the manufacturer's website, also arrives as an email attachment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01FOS1WJK |
| Best Sellers Rank | #387 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Foam Rollers |
| Brand Name | 321 STRONG |
| Color | Aqua |
| Customer Reviews | 4.5 4.5 out of 5 stars (40,919) |
| Date First Available | August 29, 2016 |
| Included Components | Foam Roller |
| Item Dimensions LxWxH | 5.4 x 5.3 x 12.7 inches |
| Item Package Dimensions L x W x H | 12.68 x 5.2 x 5.12 inches |
| Manufacturer | 321 STRONG |
| Material | Foam |
| Model Name | 321 STRONG Foam Roller Aqua |
| Number of Items | 1 |
| Package Weight | 0.28 Kilograms |
| Part Number | 758576546933ALIFFBA |
| Skill Level | Novice, Intermediate, Expert, Fitness |
| Sport Type | Gym |
| Style | Deep Tissue Massage |
| Suggested Users | Workout |
| Warranty Description | 1-Year Reliable Warranty |

## Product Details

- **Brand:** 321 STRONG
- **Color:** Aqua
- **Item dimensions L x W x H:** 5.4 x 5.3 x 12.7 inches
- **Material:** Foam
- **Model Name:** 321 STRONG Foam Roller Aqua

## Images

![321 Strong Foam Roller - Medium Density Deep Tissue Massager for Muscle Massage and Myofascial Trigger Point Release, with 4K eBook - Image 1](https://m.media-amazon.com/images/I/71yj1me45eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality and very effective!
*by B***A on March 5, 2023*

This is excellent quality and super durable. It still seems brand new after years of consistent use. I expected the foam to be spongier, but it's actually for the best that it's so firm because it's easier to control. Although the spikes look a bit intimidating, the surface feels surprisingly even when I'm rolling flat, and I can also target specific spots simply by adjusting my position. By turning my torso to the side while rolling my back, I can even work the knots under my shoulder blades, which is fantastic since that's mainly why I bought this. It's also proven quite effective at relieving tightness and cramps I often experience due to Restless Legs Syndrome. Rolling my calves and thighs before bed really relaxes my legs, which helps me fall asleep much faster and wake up without soreness. My best friend owns one too and swears by it after vigorous workouts. It can even be used purely for pleasure, as the massage function feels enjoyable all around. Best of all, there are plenty of ways to utilize it regardless of one's fitness level. I have poor upper body strength but still found many easy exercises that alleviate my back and leg issues. There are tons of great guides online. I suggest securing loose clothing and long hair beforehand, and I'd also recommend starting slow and taking care not to overdo it. This is an extremely versatile and valuable tool when used in moderation, but going too long or hard, especially on a single area, can result in bruising. Once I began limiting sessions to 15 minutes, I had no further issues. My only complaint is the length. I'm a woman with a small frame, and this is the same size as my upper back from shoulder to shoulder. I struggle to stay perfectly straight while rolling my back, so I start falling off the side as soon as I become crooked. With a few extra inches of leeway, I wouldn't have to stop and reposition so often. That's just a matter of convenience though. A longer model wouldn't be any more effective, and I don't plan on replacing this one until absolutely necessary because I'm so satisfied with it otherwise.

### ⭐⭐⭐⭐⭐ It really gets in there
*by O***R on January 9, 2026*

Love this foam roller! Its nice and compact for easy storage and doesn't have a lot of give like my last foam roller. The different textures really get into the muscle and work out any knots

### ⭐⭐⭐⭐ High density / Durable
*by G***M on November 26, 2025*

Excellent quality roller & should hold up for quite a while. You will get a lot of use out of it. I would consider this a “High density” roller and the firmness/ridges may be too intense for someone just starting out. Compact and lightweight.

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*