Covers 11.81 square feet: Includes 18 tiles. Each tile measures 11.81"L x 11.81"W x 0.4"T. Durable and Non-Slip: Non-slip textured shock-absorbing surface, soft to the touch when exercising, ideal for creating a comfortable fitness area. Easy 5-Minute Assembly: Lightweight puzzle pieces can be easily assembled and disassembled in 5 minutes. Protective Fitness Flooring: Provides a comfortable shock-absorbing experience when doing yoga, Pilates, CrossFit or weightlifting. Easy to Clean: Waterproof and noise-reducing design is easy to clean.