ComfortFoam™ Silicone Adhesive without Border Silicone Foam Dressing, 4 x 8 Inch, 1 Box of 5 Hydrocollator Moist Heat Packs Rail: 22 H x 17 Jobst Opaque Sensitive Rail: 22 H x 17 W * No assembly required pops out of the box ready to be placed on any bed * Quality Steel Contruction heavy duty steel with powder coat finish provides long lasting quality * Portable handle folds down for storage and portability * Safe & Secure safety strap secures base to bed frame and mattress * Comfortable & sanitary handle * Reversible fits on either side of bed A tape border provides a secure attachment Can be safely worn for several days Silicone adhesive sticks to surrounding skin but not to the wound bed