FINGON Hammock Tree Hanging Straps, High Quality Camping Hammock Tree Straps, Set of 2, Black outdoor eco-friendly hammock tree hanging straps with carabiner hooks are made of heavy duty weather resistant nylon. camping cots hammock tree straps are designed to be strong and safe for hanging a hammock to trees. Tree friendly. Secure hook and loop design. Bearing the static weight of 300 kg. Contains 2 per pack, black. For security we suggest multi-wrapped layers.