Material: silicone and metal
Color: red, orange, blue, light blue and black
Clip Size: 4.8*2.2cm/1.89*0.87inch
Silicone Ring Inner Diameter: 2.6cm/1.02inch

Very sturdy, can carry heavy water bottles, soda or other bottles, it is a good tool to allow your hands to do other things.

You can put the rubber on the bottle and the metal clip on your backpack.Different colors can also help distinguish the owner of the water bottle.

Warm tips:
This buckle is not suitable for climbing, just for the convenience of carrying water cup.