Specifications Color:White Size:3.1"x0.75"x 0.9"(LxWxH) Each clamp is 3/4 inch, it is suitable for greenhouse frame tube with an outer diameter of 18-20mm Package include:60pcs Material Our Greenhouse Clips made of ABS,sturdy and durable,can be used for a long time. Widely Application Can be used for most of the tubes, including greenhouse film, sun screen, insect screen, netting, row cover, seam frame, etc. It is very suitable for DIY your greenhouse, convenient and practical! Flexible use These pipe clamps are very lightweight and flexible, easy to install and can be moved at any time, very suitable for greenhouses or farm gardens that need to be dismantled and used frequently, as well as short-term use and the need to rearrange the greenhouses. We are very grateful for your visit! If you think the product you received is not suitable for you or not satisfied,please let us know. Our team will respond to your email as soon as possible. If you have any problems, we are very willing to solve the problems for you.