The Cabinet Towel Bar is an innovative storage solution, no hardware required, can be hung inside or outside of cabinet, non-absorbent foam backing protects cabinets. The bar's over-the-door construction allows it to be hung on either side of your cabinet or closet door for ultimate versatility, while its slender hooks won't impede the door's movement. Non-absorbent foam backing protects doors from wear, keeping surfaces in pristine condition.