Rectangular sizes to fit every office; with die-cut "lip" optionProtect your flooring or carpet from wear, tear and stains with a chair mat designed to fit your office or work space. Mats are made from virgin vinyl resins (or vinyl and acrylic) for economy, durability and clarity.Smooth surface accommodates chair action and facilitates effortless motion for chairs on casters. Bottom has grips to keep mat in place.If desired, mats may be cut to a smaller size using heavy-duty scissors or a utility knife.Mats are available in various rectangular sizes, with or without a 20 x 12" lip. Available in classic vinyl, anti-static, and glass-clear.Classic Vinyl - Our most versatile chair mat is ideal for most applications. Smooth, textured top surface for slip-and scuff-resistance. Perfect for most medium pile, commercial grade carpets with little or no padding. Translucent mats are .14" thick.Anti-Static - Excellent for use with computers and other electronics. Chemically formulated to dissipate electricity before it can damage sensitive equipment. Translucent mats are .14" thick.Glass Clear - Almost invisible, the clear acrylic and durable vinyl combine to provide a glass-like quality that allows flooring or carpet to show through. Great for designer rugs or colorful carpeting. Clear mats are .22" thick.Overall dimensions:Classic Vinyl:CM14113 (with lip): 36W x 48"LCM14443: 48W x 60"LCM14433 (with lip): 48W x 60"LCM14243: 45W x 53"LCM14233 (with lip): 45W x 53"LAnti-Static:CM44233 (with lip): 45W x 53"LCM44243: 45W x 53"LCM44433 (with lip): 48W x 60"LCM44443: 48W x 60"LGlass-Clear:CM36233 (with lip): 45W x 53"LCM36433 (with lip): 48W x 60"LCM36443: 48W x 60"L