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 need to do is insert and twist the clips into the greenhouse frame to lock the clips in place, and no tools are required 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 , the 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, panels polycarbonate, double-walled panels, multi-walled panels and glass panels. Features: Effectively prevent the polyethylene bubble from touching and sticking to the glass of the greenhouse. Very nice items to hold bubble wrap or sunscreen netting in an aluminum greenhouse. Perfect for setting up screens, hanging pots, curtains, etc. shading, hanging ropes for climbing, vines etc. Specifications: Colors: green Size: 2.4cm X 3 .6 cm / 0.9 inch X 1.4 inch Scope of delivery: 50 X greenhouse clips