HIGH-QUALITY MATERIAL - These deck tiles are made of eco-friendly, rot-resistant, composite plastic materials, which means you won't need to worry about replacing your new deck covering anytime soon. Just simply snap together for easy install and won't even need to raise a hammer. HUMANIZED DESIGN - Interlocking design makes these composite decking tiles snap together with pegs inserted into corresponding holes, what's more, the sturdy grid attached to each tile secures the strips and prevents sliding to provide a stable surface that will not shift or warp. EASY TO USE AND CLEAN .