Elastic Sheet Strap - Made of 2.5cm wide elastic straps and clips, suitable for all types of sheets, sheets, bedspreads, sheets, mattresses, etc. The sturdy elastic strap provides a strong grip. Stop wearing loose sheets in the morning!Easy to install, easy to use - easy to install, with minimal effort to secure corners in place. Simply fix the 4 sheet fasteners to the 4 corners of the mattress sheet. Slide it under the mattress and adjust the buckle for greater tension. Avoid the hassle of lifting or flipping a heavy mattress!Suitable for all types of bed sheet sizes - The bed sheet holder will be able to fit all sizes of mattresses, including twin, twin XL, full, full XL, king, and even California king sheets.. This convenient bedsheet strap is designed for the best and is suitable for all types of bedding, mattresses, adjustable beds, and more!Highly recommended corner clips - crafted and sturdy chrome metal clips and heavy-duty elastic ropes, these sheet clips can tightly grip your sheets every night. Very charming! The built-in clamping system is made of plastic to protect your fabric from damage or tearing.Adjustable metal buckle - Depending on your usage, extend or shorten the sheet's retention time and use it to secure other sheets, such as ironing board covers, mattress covers, cushion covers, seats, etc!