Specification:-Size: 200*66*5cm/78.7*26.8*2inch - Package Size: 66*19cm - Weight: 1.65kg/ 3.6lbs - Fabric: 100% Polyester 190T PVC Coating - Valve: ABS Plastic - Carry Bag: 150D Oxford Stuff Sac HOW TO USE THIS SLEEPING PAD? - 1. Take the pad out of its carrying bag. - 2. Open the valve and place the pad flat and it will auto-inflate. - 3. Closing the valve to prevent the air from rushing back out once you lay on it. - 4. Inflate the pillow by your mouth or air pumps. - 5. Then you can lay on it with comfort and warmth. HOW TO PACK UP THIS SLEEPING PAD? - 1. Open the valve. Roll the mattress up quickly. You can kneel on the pad as you rolling it. - 2. Close the valve. Unroll the sleeping pad to its full length again. - 3. Roll the pad up another time. Keep the valve closed. - 4. Open the air valve again. Continue to roll up the mattress. - 5. Screw tighten the valve and then hitch the pad with the black elastic band (included). - 6. Then you can fit it right in your stuffed sack. Package Included: -1 x Sleeping Pad -1 x Carrying Bag