Outdoor or indoor interlocking flooring deck tiles made of 100% engineered polymer plastic which contains no organic material, lasts longer than natural wood, It surly needn't worry about swelling or slipping. The slat plastic deck flooring is quick and easy to install, no tools required, just snaps together and then step on the seams until you hear an audible click to lock them in. Use for all weather and all seasons, unique back design allows for water drainage and air flow. Compared with natural wood, PE material interlocking flooring has strong waterproof performance, non-slip, and is not easy to corrode. The PVC base ensures adequate drainage, and it is also very suitable for installation on the balcony and shower.