This product is designed for rock climbing. It adopts quality plastic material, nontoxic and tasteless, safe to use and feel comfortable with it. Designing according to human body mechanics. Features: Adopting quality plastic material, nontoxic and tasteless, safe to use. New generation rock climbing fulcrum with UV protection, it is colourfast. Good wear resistance endows it with long run character. Special material makes you feel comfortable with it. Designing according to human body mechanics. Specifications: Item: Rock Climbing Stone Material: PlasticColour: Yellow, Blue, Green Weight: Approx. 4009g Package Included: 20 * Rock Climbing Stone (Yellow-8pcs, Blue-10pcs, Green-2pcs) 40 * Screws 1Adopting quality plastic material, nontoxic and tasteless, safe to use. 2New generation rock climbing fulcrum with UV protection, it is colourfast. 3Good wear resistance endows it with long run character. 4Special material makes you feel comfortable with it. 5Designing according to human body mechanics.