mouse mat wrist support,mouse mat with wrist support,desk extender,mouse wrist rest,arm rest for desk,wrist rest mouse,desk wrist support,armrest pad,desk arm rest support Strong stabilityReduce Stress from cervical vertebrae, shoulder, arm and wrist; keep correct posture, avoid cervical vertebrae ache, mouse hand and nearsightedness Safe and secureArm Support, Only Adjustable for Chair, Keep correct posture, avoid cervical vertebrae ache, mouse hand & nearsightedness,made of strong ABS plastic, ergonomic design for desk and chair, very easy to install. Magic straps make it easy to fasten to most sizes of chair armrest. Memory cotton wrist pad designChair pad Unique design ebow rest prevents mouse from sliding down, memory foam wrist rest protects your hand from hurt. High-quality materialsHigh quality neoprene mouse mat surface allows for ease of movement Maximum load: 10kg. Note: 1.Perimeter of chair armrest can't bigger than 18cm (7 inch) 2.To prepar if the perimeter of chair armrest is bigger than 18cm (7 inch) 3.The length of our productHOOK&LOOP is 29cm (11.5 inch),the length of LOOP is 15cm (5.9 inch)the length of HOOk is 14cm(5.5 inch) 4.Please measure befor purchase