These are Interlocking Foam Flooring Mats in Dark Grey Features: - Each tile is 24in (61cm) x 24in" (61cm) x 20mm 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. The interlocking diamond plate tiles are easy to use and can be laid as permanent flooring or temporary. Can set up for shows and exhibitions and then take them home with you when finished ready for the next time. Anyone can lay these tiles and no special tools are required, simply interlock each tile and then use the straight edges to finish. You can cut to fit, it could not be simpler! 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 *Laundry Room * Workshop or Shed Usage is only limited by your imagination! The interlocking diamond plate tiles are easy to use and can be laid as permanent flooring or temporary.