Black Diamond Rectangle

Black Diamond Chair Mat"" for offices,home office, schools, work places, & office furniture dealers.
Premium chair mat made of 1/4"" thick heavy-duty high impact resistant thermoplastic.
Twice the thickness of most other brands, holds up to constant everyday use outlasting vinyl, polycarbonate, acrylic and PVC floor mats ten to one.
Our mat do not roll up. Ships flat and is a solid non-bendable design that simulates a hard floor surface.
Hard plastic chair mats prevent ""sinking"" because they don't indent and will not crack or split.