High quality materials:Stainless steel hook + latex yarn,it has excellent elasticity and is very durable,with abrasion resistance and mildew resistance. Firm hook: each Elastic rope has a strong metal hook at both ends, with rubber protection, no matter how elastic, the hook will not fall off, and the luggage can be firmly fixed. Flat and non-slip design: The wide rope flat elastic can distribute the pressure over a larger area of the cargo. Compared with the ordinary round elastic rope, the wider flat elastic belt can secure the cargo more firmly. Adjustable length: the rope elastic band can provide enough length and strength to secure bulky luggage on the trolley, bicycle, motorbike, motorcycle bike, electric cars, etc. to fix the luggage to prevent the goods from falling. Specifications: 4P pieces 3m in length, can be freely combined, each elastic rope has its own metal ring design, which can be connected to the hook as needed.