Silicone rubber strap movable ring

Description:
Material: Rubber
Color: Black
Your strap loop usually broken earily than your main strap
They can fit any watch bands
Durable slicone rubber,we have 2 size for choice
Specification:
Size 18mm : Inner Size,1.8x0.8cm/0.71x0.31inch;Outer Size,1.1x2.2cm/0.43x0.87inch
Package Includes:
20 Pieces Black Rubber Loops