DuoDerm® Extra Thin Hydrocolloid Dressing, 3 x 3 Inch, 1 Box of 20 Protective Helmets The Knee Sling is a The unfolded towel measures The Knee Sling is a safe and easy way to improve mobility for those individuals that need to maintain non weight bearing of the lower leg or foot due to injury or surgery *The Knee Sling turns a standard walker into a knee walker *The Knee Sling comes fully assembled and requires no tools to install on your walker *The Knee Walker can be easily adjusted to accommodate any height *Can be installed on either side of the walker made from water resistant material for easy cleaning *Weight capacity 300 lbs *Attaches easily to any walker *Increases mobility makes standing easier *Soft foam knee pad *Tool free installation *Weight capacity 300 lbs *Made in the USA Automatic blade or needle retraction styles the sharp edge is enclosed before and after use 3 x 3 inches Vapor permeable outer film to provide an occlusive moist environment