Specifications: 1,PP/ABS. 2,W: 38mm . travel bags/backpack/laptop(computer) bag,suitcase,piggy bag,travel case used. bags or luggage accessoriesfitting trolley case/backpack/laptop(computer) bag,suitcase,piggy bag,travel case, travel bags used Specifications1,material,PP/ABS 2,inner width: 38mm 3. net weight, 20g/pcs. plastic adjuster buckle