The unique crocodile mouth design makes the grip more stable. It can be opened up to about 6.5mm to fit the sturdy tarpaulin. Material for tarpaulin clips: It is made of PA and is sturdy enough to withstand strong force. So, it can resist the pulling force and cannot be easily released after being buckled to the tents. Widely used in tents, awnings, tarps, caravans, canvases, boat covers, pool covers, shelters emergency or fabric covers that require additional support points. These bungee cords are used with tarps to prevent them from being blown away. 10 carabiners are also included for multiple use and better attachment of your armor. Versatile uses in outdoor sports Product description Scope of delivery: 10x black tarp clips 10x bungee ball cords 10x Carabiners Features: Tarp Clips Unique serrated crocodile mouth design makes jaw grip more stable. This allows for more effective clamping just by pushing it, and it is not easy to fall off. Even if it is a strong storm, it is safer to