Feature: ?Premium high density memory foam covered with zippered Soft velboa polyester. ?New upgraded silicone anti-slip bottom make it it attach to chair stably and firmly. ?Relief pain of your arms and elbow during long time working time or while surfing online. ?Universal fit for home or office chairs. ?Also for any size armrest chair as long as you adjust the length of two extra long straps. ?A zipper setting on the cover makes it removable for easy machine wash. ?A easy assembly never trouble you a lot. Simply place the arm pad on top of your chair armrest and stick the velcro together to your preferred level of tightness. Specification: Material: Polyester Fabric, Memory Foam Color: Black Uses: Office, home, gaming chairs, and etc. Package including: 2 x Chair Armerest Pads