Side Wall Material: 210 Denier Polyester with PU lining. 5# Resin Zipper 1Hook and loop with Square Buckle Adaptable to most straight leg 10x 10 and 10x 20’s on the market. (4) sets needed to fully enclose a 10x 10 (6) sets for 10x 20 Hook and loop straps on top to attach to trusses , Multiple hook and loop tabs (8) to strap around frame legs for single wall use. Zip connectors to join side walls together Side walls can attach independently – use as many or as few as you need sidewall measures 220cm x 300cm fit For most 3m x 3m Straight Leg pop up canopy INCLUDES 1 sidewall with attachment to 1 side of 10x 10 pop up canopy. CANOPY NOT INCLUDED!