Product Description Product Description Not need to lift the heavy mattress, easy installation: Step 1: Position the elastic strap of the bed sheet holder straps on the four corners of the bed. Step 2: First pull the elastic straps on the three corners to halfway through each corner of the bed, then pull the fourth corner down. Step 3: Make sure all four corners are installed, pull down 2'', and tuck the bottom under the mattress. Finish, your sheet holders keep sheets firm & tight and wrinkle-free. SHEET BUTLER - The simple mattress extender installation can fully store and keep sheets in place, instantly becoming part of the bed. The sheets stay in place throughout the night, allowing you to sleep better! 4 Size Fits Most Mattress Single - 38"" x 75"" Double - 54"" x 75"" Queen - 60"" x 80"" King - 76"" x 80"" Polyester and Elastic Bands 【Effortless Sheet Management】- Say goodbye to tugging and dragging! This Bed Sheet Holder Strap is the fitted sheet straps that keeps sheets in place throughout the night. Offering a simple installation, it effortlessly stores and maintains your sheets, enhancing your sleep quality and freeing up valuable time while making your bed. 【Innovative Bedding Design】- It's a giant bed sheet straps, just put sheets with elastic corner straps on the mattress, wrap the four corners in turn, then tuck in the sheets and you'll have a perfect bed ! You no longer need to use bed sheet clips or lift heavy mattresses to force broken nails or hurt the backs of your hands. 【Convenient Additional Storage】- More than just a bed sheet organizer, this strap provides additional storage space for remotes, phones, magazines, glasses, and more. Keep your necessities within arm's reach without worrying about their safety. Once you've experienced the convenience of these fitted sheet straps, You will love this bed sheet straps. 【Premium Material and Size】- Crafted from quality polyester and elastic bands, these elastic bands are wide 20cm/7.9in and fit all mattress heights. Whether your bed is Twin, Full, Queen, or King size, our sheet holders got you covered.