Plastic mat with spikes on the bottom you'd put over carpet so you could move your office chair around easier. : r/nostalgia

Chair Mats 36 x 48 with Lip for Carpeted Floors - Premium Thickness (1/5) - Clear - Beveled Edges : Office Products

Gorilla Grip Desk Chair Mat, No Divots, Rolling Chairs Glide Easy, Heavy Duty Studded, Protects Carpeted Floor Under Desks, Transparent Mats for Office, Home and Gaming, with Lip 48x36, Clear

ROAONOCOMO Office Chair Mat for Carpet Computer Desk Chair Mat Easy Glide Rolling Plastic Floor Mat for Office Chair on Carpet with Extend, Size: 15.75 x 15.75

AM The America Store Chair Mat for Carpet - Computer Desk Mat for Carpeted Floors - Easy Glide Rolling Plastic Mat for Office Chair on Carpet for Work, Home, Gaming

“NEW” – After a lot of research and testing we have updated our “NEW” Chair Mats with “NEW” Polycarbonate stiff as metal and transparent like glass

Office Chair Mat for Carpeted Floors Polycarbonate Transparent for Rolling Desk Computer Chairs Low and Medium Pile Carpets 36 X 48 X1/8 with Lip

HEAVY-DUTY PROTECTION: Thick, firm plastic vinyl protects low-pile carpet from wear, spills and other signs of damage. Indoor/outdoor durable and long

MM MELISEN Glass Floor Mat for Office Chair, Transparent Plastic Non-Skid Waterproof Floor Runners, Indoor/Outdoor Hard Flooring Runner, Heavy Duty

100pointONE Extra Large Office Chair Mat for Carpet, 45 x 53 Clear Desk Chair Mat for Low Pile Carpeted Floors- Easy Glide Plastic Floor Mat for Office Chair on Carpet

Carpeted Floor Specialist: 48×36 2.2mm thick office chair mat is designed for low and medium pile carpeted floors. The chair mat for carpets is

Office Chair Mat for Carpeted Floors, 48X36 2.2mm Thick, Rectangle Desk Chair Mats with Studs for Low and Medium Pile Carpets, Easy Glide, Flat

Am The America Store Chair Mat for Carpet - Computer Desk Mat for Carpeted Floors - Easy Glide Rolling Plastic Mat for Office Chair on Carpet for Work

Transform Your Workspace with the Spike Lock Chair Mat for Medium to High Pile Carpet! Tired of constantly adjusting your chair mat? Our patent-pending rubber spikes lock in place, eliminating the hassle. Perfect for those seeking a secure, no-shift solution.

Heavy-Duty Unbreakable Rubber Desk Chair Mat for Carpet Floors

Mind Reader - Carpet Protection Mat - Clear

Transform Your Workspace with the Spike Lock Chair Mat for Medium to High Pile Carpet! Tired of constantly adjusting your chair mat? Our patent-pending rubber spikes lock in place, eliminating the hassle. Perfect for those seeking a secure, no-shift solution.

Heavy-Duty Unbreakable Rubber Desk Chair Mat for Carpet Floors