Made of high quality EVA material,damp proof and durableIt has a long service timeAdopting leather guard ring to prevent the swing from damaging, soft, convenient and comfortableFun outdoors for kids, friends and adults enjoy your new swing set accessory parts or replacement swing seat on their playgroundFully assembled connected 60" long 2/0 zinc-plated chains yellow plastisol coating specifically designed not to pinch little fingersGalvanized chain is coated with plastic, anti-corrosion, anti-rust and eco-friendlyThe chain had passed tensile test, strong bearing capacity, safe and reliableDesigned for residential useWeight limit 660lbs, environmentally friendly and ASTM-certified Specifications: 1. Material: EVA & Galvanized Iron Chain 2. Children should be used under parental supervision 3. Dimensions: (25.98 x 5.51 x 0.39)" / (66 x 14 x 1)cm (L x W x H) 4. Single Side Chain Length: 150cm Package Includes: 1 x Swing 2 x Iron Chains