●Lightweight and durable plastic backpack. The slim design of the backpack is 0.4 inch (10 mm) wide with a belt that is perfect for adjusting the shoulder strap or strap of a smartphone or pass case. You can use PP tape or thin synthetic leather tape as is. Sometimes thick cotton tape may be difficult to pass through or not pass through ●★Quantity: 20 pieces ●★Size: Inner diameter 0.4 inches (10 mm), Outer dimensions 0.7 x 0.6 inches (17 x 14.5 mm), Thickness 0.1 inches (3 mm); Material: Plastic (Polyacetal Resin (POM) ●★Color: 03 White *This product has variation. Thank you for your understanding ●★Shipping Method: Yu-Packet (Shipping rate is 180 yen/Multiple orders can also be shipped in package)