Ergo360 Strap-on Soft Chair Armrest Pads for Instant Elbow Comfort (2 Piece Set) Strap-On Armrest Pads Attach In Seconds And Fit Many Chair Styles. Complete Pair Right & Left. Each armrest pad has 2 straps to provide secure attachment. The heavy duty hook and loop cinch straps (12" Long) attach over the top of existing armrests. Soft hybrid polyurethane gel foam cushions the elbows and arms. Armrest Pads Length: 10 Inches, Armrest Pads Width: 3.5 Inches, Strap Lengths: 12 Inches Instant Elbow Cushioning & Comfort, Works With Many Styles of Chairs