FOLK VALENTINE Mat by MatMateTM This MatMatesTM interchangeable doormat is made with a non-slip backing of environmentally-friendly recycled rubber tires. The top is nonwoven polyester, permanently printed with fade resistant dyes. The printed mat can be used stand-alone or as an interchangeable insert in the MatMates outdoor decorative tray or indoor Anti-Fatigue Comfort Tray. The innovative decorative tray (sold separately) is also made from non-slip recycled rubber tires, embellished with a scrollwork border, and decorative zinc metal corners. The zinc metal corners are rustproof. Both doormats and trays are completely weatherproof and intended of outdoor use.The indoor Comfort Tray (sold separately) is made with thick, PVC foam to relieve stress on the knees, legs, and back and comes in brown or black.