These are the highest quality Interlocking Foam Flooring Mats Easimat brand the highest quality This is for 4 charcoal grey mats covering 16sqft -These are eaimat branded mats so if you recieve anything else please report it to Amazon customer service Each tile is 24" (61cm) x 24" (61cm) x 12mm thick with anti-fatigue properties provided by the soft foam EVA Each mat has 2 pieces straight edges for that perfect finish included free of charge. Top surface has diamond plate pattern and bottom is smooth. These tiles have almost unlimited uses and can be used in a variety of applications such as: * Gyms - will provide a safe cushioned effect underfoot to protect your joints. Can use under equipment to protect your floors and provide sound insulation. * Play Areas - indoor or outdoor. Use as soft play area to protect children from little bumps. Easy to clean, just wipe up any little accidents! Also use outside under swings, trampolines as safety mats. * Camping and Caravanning - use as comfortable insulation for tent floor or under caravan awning. * Offices *Exhibitions *Shops *Home *Receptions *Market stalls * Schools *Marquees * Workshop or Shed *Laundry Room Usage is only limited by your imagination!