Package: 1 pack of 24pcs pool cover clips, Our pool cover clips in 2 shapes Durable material: Pool cover clips is made of high-quality materials, durable and tough, not easy to break, can be reusable. Protect the Swimming Pool Cover: It can protect your swimming pool cover from strong wind and other bad weather in winter, making your swimming pool cover firmly stable on the swimming pool all winter. Installation : Just put the male clip to the pool rail, then cover a pool cover, finally put the female clip over the cover and male clip.Suitable for most permanent above ground pools or pools with metal railings, not for soft sided pools, inflatable pools such for inflatable pools and steel frame pools. Applications: Winter pool cover clips are suitable for most permanent above ground pools or pools with metal railings, and can also be used for camping tents, awnings, barbecue covers, sun shade, folder, etc. size: 12cm Material: ABS+PC colour: black Package Contents: 12 x male clip 12 x female clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.