Materials: All greenhouse clips are made of durable, stable and sturdy plastic. Unused space can now be used ideally. Take advantage of wasted space Your creativity has no limits Cute Design: Create a space between greenhouse bubble wrap and glass or plastic. Effectively prevent the PE bubble from touching and sticking to the greenhouse glass. Allows air to move behind the PE bubble insulation. Easy installation: no screws, no accessories, no extra work - all you have to do is insert and twist the clips in the frame of the greenhouse to lock the clips in place, and no tools are needed to assemble it to make it as easy for you to attach as much as possible. Insert the clip head into the slot of the aluminum profile and turn the bracket 90 degrees Functional: Saves cost for your greenhouse, they can be used in many places in the greenhouse, accessories create an individual and unique greenhouse perfectly adapted to your specific needs. Makes gardening easier, more efficient and more comfortable. Range of application: Only for greenhouses with stainless steel frames and not for light plastic greenhouses, double hall panels, polycarbonate panels, double wall panels, multi wall panels and glass panels. : Effectively prevent the poly bubble from touching and sticking to greenhouse glass. Very nice items for holding bubble wrap or sunscreen net in aluminum greenhouse. Perfect for installing screens, hanging pots, shade curtains, hanging ropes for climbing, vines etc. Specification: Colors: green Size: 2.4 cm X 3.6 cm \/ 0.9 inch X 1.4 inch Scope of delivery: 50 X greenhouse clips