Returns are accepted when item is at the same condition , unopened and intact , shipping cost will be payed by buyer. Please communicate with seller in order to aligned any issue. Here to help Thanks ! you will receive 2 in one box About this item ,Provides moderate compression to weak, sore muscles, and injured knees Side stabilizers reduce lateral motion for comfort Vented, wraparound style helps keep you cool Adjustable straps for customizable support Flexible design promotes a full range of motion Wear on either knee for versatility Ideal for stiff, weak, sore and injured knees Supported by our expert panel of engineers and medical professionals Size: Adjustable Color: Black