NOSSSS / SSS SLEEVE 20" ELASTIC BAND SHOULDER North Silver Shield®/4H® Sleeves Made from a 2.7 mil lightweight 5-layer laminate of PE and EVOH. North sleeves are 20" long and offer superior chemical protection for upper arms and shoulders. Sleeves protect against more than 280 chemicals. Does not contain chemical accelerators that cause allergic reaction. Elastic bands at shoulder and wrist ensure a snug fit One size fits all. Packaged and sold one pair per bag.