Yes4All Interlocking Exercise Foam Mats (no Border) &ndash; Cover 12 SQ. FT (12 Tiles) &ndash; Choose Colors: Black or Gray COVER 12 SQ. FT: Include 12 tiles. Each tile measures 12L x 12W x 0.5H  thick from the highest point of the texture DURABLE & NON SLIP: Non-skid textured and shock- absorbing surface provides a soft feeling when exercise on, best for comfortable workout area  a combination of high density EVA foam mat & exercise mat for excellent support and cushion EASY 5 MINUTE ASSEMBLY: Lightweight puzzle pieces can be connected and disassembled easily in less than 5 minutes. Great for home gym, fitness gym, garages coverage or childrens play areas VERSATILE MAT: The water-resistant and noise-reducing design is easy to clean and ideal for gym mat, equipment mat, exercise mat, workout mat 1-YEAR WARR: Our high quality foam mat comes with 1 year warr. We send replacement free of charge if any of them gets defected under normal use