Keeps Sheets in Place Bed Sheet Holders provide a secure, noslip grip that keeps fitted sheets taut and in place, even with restless sleep. No more bunchedup fabric or sheets slipping off corners. Suitable for sheets with less than 400 thread counts. Durable Silicone Material Constructed from flexible, heavyduty silicone. Nonslip particles around the clip help prevent sliding and protect the fabric. The locking mechanism adds extra security, and the holders are solid and longlasting to withstand regular pulling and tugging. Easy to Install and Reusable No tools required. To install, press the butterfly buckle to fit the sheet, then rotate the butterfly wings to lock the raised part perpendicular or overlapping with the butterfly, ensuring a secure grip. If not properly seated, it will not secure. Designed for repeated use and longlasting convenience. Universal Fit for All Mattresses Antislip design adapts to different sheet sizes. The fourpack includes extra butterfly clips for additional security, making them suitable for various bed sizes and preventing gaps and wrinkles for a neat, tidy bed. Practical use scenarios Use with restless sleepers who frequently move at night to keep sheets anchored and comfortable. Use in guest rooms or shared bedrooms to minimize readjustment and maintain a neat bed between guests. Use on beds of different sizes and sheet types; the fourpack provides extra security for larger beds or thicker fitted sheets.