These self adhesive hooks are made of durable clear finished material ABS for long term usage of all temperatures and environments,eco-friendly and healthy. The transparent design of the sticky peg makes it almost traceless and invisible, and will not affect the overall decoration style. It can be installed in a few seconds and can be removed without leaving any traces.These shelf support clips widely use for clothing and kitchen shelves, cabinets, shoe racks, refrigerator, bookshelves, bookcases, closet and more.