Material: Greenhouse clamps are made of high-quality and durability plastic PP, It has a robust plastic structure and long service life.It can provide you with long-term service.Package Included: 30* house clamps Colour: green sufficient quantity to satisfy your daily usages and replacements for greenhouse needs; Note: the clip cannot be opened.$Wide Application: These Greenhouse Film Row Cover Netting Tunnel Hoop Clips are used to attach tarps, shade, greenhouse film, or netting to pipe.it is also an ideal choice for building greenhouse, floor covering or other places if needed, so practical in our daily life.Size: The greenhouse clamp is 1.5 * 1.2 inches, it is suitable for greenhouse frame tube with an outer diameter of 0.43inch, also ideal for other types of plastic stake or metal round tubes.Design: Our greenhouse snaps have threaded handles, anti-slip threads can help snaps easily and will not slip when pressed.It is very suitable for 11mm wooden stakesplastic stake or metal round tubes.Please confirm the pipe diameter before buying.