Professional quality: The expander with hooks are made of stretchable latex and durable steel. Excellent materials ensure particularly high tensile strength and long-lasting durability. Elastics with double hooks also for attaching trash cans, tarpaulins, boats, clotheslines and load securing, transport securing, and other outdoor activities. Reusable tie down straps: The bungee cords attach and detach in seconds. Simply thread the sling through the eyelet of the tent, thread the hook through the sling and pull tight. Giving you an incredible grip and securing your load like a pro. Expander Hook: 10 heavy-duty 6 mm elastic straps with spiral hooks, elastic straps have a total length of 15 cm - including hooks. Nickel-plated steel double wire hook, stronger and stable, not easy to deform, the metal hook is firmly connected to the bungee cord and not easy to separate. The universal luggage straps : The elastic tarpaulin tensioner with metal hooks is ideal for attaching fabric tarpaulins. Multi-purpose rubber clamp can also be used to fix other objects such as luggage carriers, bicycles, tents, heavy objects in the house, garden, motorbikes, camping or sports with the multi-purpose fastener.