The ESR124154 has a thickness of ¼”, and is best used with carpets that have up to a 1” thickness.
According to the manufacturer (Deflecto), the DEFCM21442F are specifically deisgned not to slip on hard floor surfaces, and they do guarantee they will not slip on hard surfaces. They also come with a one year warranty.
The UNV56808 - Studded Chair Mat for Low Pile Carpet is .110 mm thick.
The ESR128371 46x60 Rectangle Chair Mat is .110" or 2.794mm thick.
Chair mats protect carpeting and hardwood floors, extends the life of your chair casters, and even helps a chair roll with less effort. Hard floor chair mats from E. S. Robbins, chair mats designed for use on plush carpets from deflect-o -- On Time Supplies offers discount bulk pricing and GSA rates on a range of chair mats from trusted suppliers to meet the needs of any office. Thanks to our speedy shipping, your chair mat arrives at your office in just a day or two. If you need more information on chair mats or other office chair furniture featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.