All materials are selected to ensure the highest quality products available. The blankets are made from premium water resistant nylon. LINK light is also oil resistant and the insulation in LINK North is made from 100% recycled plastic according to global recycled standard. All the fabrics are oeko-tex standard 100 certified to make sure no harmful chemicals are used for your skin or the environment. The rope is thin (6mm) yet ultra durable, so durable that it can carry 600kg.