Features: The stair tread presents you an integrated stair system.You needn’t to use the stair-nose & flooring to be put together to finish your stair installation.Outstanding performance of damp-proof, under strict environment protection quality control system, meets European E0 and E1 standard. Pressed by white middle density fiberboard , wearable, flameproof and easily cleaned & maintained. Completely consistent with the floor assortment.The size is according to you. Basic material: E1 grade environment protecting material(MDF). Wearable layer: AC2, AC3 Specification:30x300x1200mm, 37x300x1200mm 30=(12+18),(15+15) ,(18+12) 37=(12+25),(15+22)