The SALLOUS Large Chair Mat is thick and sturdy, made of non-toxic, tasteless and anti-static Vinyl material has been adopted, no cracks, no curls, Features: ?ECO-FRIENDLY MATERIAL: The SALLOUS Large Chair Mat is thick and sturdy, made of non-toxic, tasteless and anti-static Vinyl material has been adopted, no cracks, no curls, no discoloration to keep a healthy indoor environment. The level of REACH certification higher than that of SGS has been obtained (No .: CANEC1803443902). This floor mat can be used for floor heating with a heat-resistant material up to 85?. ?ENOUGH LARGE SIZE DESK MAT: The big chair mat is enough to protect the floor from scratches and the chairs and casters from getting caught (Product size: 63x51in.; Thickness: 1.5mm / 0.06''; Weight: 9 pounds). It allows the chair casters to move easily while carrying out daily tasks, but has enough grip to maintain controlled rolling so the chair doesn't skid around, and helping reduce the risk of leg fatigue. ?EASY TO LAY FLAT AND CLEAN: Just wipe gentlely the office chair mat down with a wet dishcloth. In order to save space and protect the environment, we ship the mats in rolls. After receiving the mat, you only need to put a few books in the corners of the mat pressed to 1-2 days can be quickly laid flat. NOTE: when storing, the surface with embossing faces outward, and the smooth surface curls inward. ?THE CHAIR MAT WITH NOISE REDUCTION DESIGN: The rough surface with embossing(UPWARD), the caster rotates smoothly. The bottom surface is smooth(DOWN) for prevents mat from slipping. Even if you move the chair, it will not scratch the floor, with excellent noise reduction. Designed for use on all hard floor surfaces such as tile, laminate, hardwood etc. NOT suitable for carpets. ?100% QUALITY GUARANTEE: SALLOUS's Chair Mat meets European and American environmental protection standards and has many years of export experience to America. If you are unsatisfied with our floor mat, feel free contact us (even if outside the Amazon return window). Package Includes: 1 x Office Chair Mat Listing and template services provided by inkFrog