• Made of aluminum alloy which is high quality and lightweight.
• Easy to use. Pushing it to clamp the bottle neck, then locking to your belt or backpack.
• It is simple and firm to carry bottles when going camping, hiking, riding and .
• D hook bottle buckle is flexible and tight to large bottleneck water bottles.
• It can hold water bottles from 26-27mm/1.02-1.06inch in diameter and 500ml/0.13gallon in volumn.

1 Piece Water Bottle Carabiner