The product is a quick and easy fix for covering up that old cracked or unsightly concrete patio or balcony. These deck tiles snap together in a flash and they allow rainwater to run through. Made from high-density recycled plastic composite material, they are the perfect solution for that rooftop patio or deck. Additionally, they're manufactured using the proven UltraShield technology, which encapsulates the core material with a multi-chromatic poly shell to protect it from the elements. Best of all, if you move, simply unsnap them apart and take them with you. Ultra-low maintenance, ultra-durable and ultra-beautiful. Trim is sold separately!