Use ULTRAGEL Personal Comfort Pads anywhere you need additional comfort and skin pressure relief on bony body parts such as elbows, wrist, arms, legs, knees, heels, shoulders, in contact with any hard surface. NOTE: Not recommended for use as full body weight seat cushions or mattress pads. Application areas include AUTOMOBILES and TRUCKS: center console and door arm/leg rest. OFFICE and HOME: Computer gaming pads, Mouse wrist pads, end of desk arm rests, under-desk knee pads, lap top wrist rests. Low profile impact/scuff protection for expensive furniture and glass surfaces, e.g. rings and key chains, pocket knives, cell phones, bill folds, loose change, etc. Seat pad for baby strollers. MEDICAL/ORTHOPEDIC: Wheel Chair pads (arm rest, foot/leg, and chair back support cushioning. Styles and Sizes available: Many RECTANGULAR and DISC sizes available. Choice of base: Non-slip base or hook sensitive loop (five 1.0" dia. low profile (0.040") adhesive backed ULTRAHOOK discs supplied with each pad) for secure yet repositionable installation. Color: Black Top cover: Four way stretch lycra Interior: ULTRAGEL Vicoelastic dry polymer gel (no free liquids).