Material: Safe silicone for choice.
Product size: 38mm&42mm for choice.
Weight: 22g/pc with pearl filmbag.
Package: Individual pearl film bag.
1.Eco-friendly silicone strap for well protection.
2. Stainess steel buckle to give you steady.
3. 38mm and 42mm length to choose your suitable size.
S/M: 38mm fits 130-180mm wrist, 42mm fits 140-190mm wrist.
M/L: 38mm fits 150-200mm wrist, 42mm fits 160-210mm wrist.
4. Weight: around 22g/pc.
5. Suitable watch type: Watch Series 1/2/3 sport type. And new serious 4 suitable for use.