Give your chair a whole new level of comfort with Memory Foam Back Cushion (CUSH-V01B) from VIVO! Measuring 13” x 4” x 12” in size, it fits a variety of office chairs on the market. Simply place the cushion on the back of your seat, strap it into place, and lean back on the thick memory foam. The outer mesh layer features excellent ventilation that deters the buildup of sweat and is removable for easy machine washing. The black color maintains a low profile and blends well in most environments, while an ergonomically curved design encourages healthy posture for optimal comfort. If you want this cushion for back support outside the office, it also works for traveling, sporting events, home use, and more! Zero assembly is required out of the box, so you can enjoy a cozy seat in no time!