... the stairs, walking area, factories, kitchen, scooters, skateboards, transport, plays the antiskid effect, can avoid falling, Yongbao home ... silicon carbide, glass sand and special non-slip material.Base: PVC, PET, non-toxic environmental protection PVC, PET, synthetic ... for any due to moisture, smooth, oily, special non-slip place and supplies.(4) application examplesEquipment: skateboards, scooters, ...