UTreers Wristlet KeyChain Strap for Wallets Bag Keys Phone Case Wristlet Strap Genuine Leather Strong&Sturdy

What size grommet does this clasp fit?

Is the white a true white or more ivory?

Length please, in actual inches or centimeters (cm)? “Good length” or “standard length” are not useful or helpful answers.

What color is the metal?