The TikkTokk Safety Playmat will complete any child's playroom. It is Non Abrasive and Nonslip and thicker than competitors on the market. The TikkTokk Safety Playmat will provide you with the knowledge and peace of mind that the risk of head injury is greatly reduced through the mats protective layering and thickness. Includes: 4 square interlocking pieces Features: Infinite Expansion Smooth-Edged Option Commercial and Home Use Protects Child on Hard Surfaces Individual Pieces Do Not Disengage Easily Density and Depth Provides Genuine Protection Unique Features: Non Abrasive and non slip 2 cm thick Tempered to be neither too dense/hard nor to thin/soft Thicker than Competitive Products Chemically Safe Assembled Size: 118 cm x 118 cm x 2 cm