Fully Equipped: You will receive 4 black triangular elastic bands with metal clips, offering great flexibility, meeting the diverse needs of families High Quality: Our bed sheet straps are made of high-quality elastic bands, strong rust-proof metal clips and built-in plastic clips, which are wear-resistant, sturdy and durable Triangular Design: The stable triangle design provides triple protection to keep your sheets taut every day. Compared with 2-way sheet fasteners, our 3-way triangle design sheet clips are more stable and effective Easy to Install: Our fitted sheet straps are easy to use, no tools required, just hold the mattress firmly and fix the clip on the edge of the sheet and the length of the band can be extended as needed Widely Uses: Our sheet clips are suitable for all types of sheets, perfect for sheets, mattress covers, car seat covers, sofa covers, tablecloths