Vitabliss Sheet Fasteners &ndash; Keep the Sheets Straight and Tight Extra Long: These 1 meter long sheet grippers are perfect for sheets of your children that go off after wild dreams, or throw you have on your sofa. Either you're sleeping or you're relaxing, you always need to be comfortable to feel good! Plastic clenching systm: Built-in plastic covers protect your sheets from damage  won't leave any rifts or tears on your sheets, that could get bigger and damage your sheets irreversibly. Fit any mattress shape: Whether you need to hold the sheets on your standard mattress in your bedroom or you need help holding them on strangely shaped mattress in your RV or your houseboat or yacht, it makes no difference. These sheet fasteners will fit any size or shape of mattress. Stays clean: White sheet suspenders get dirty after a while of using and the material isn't easy to clean - that won't happen with the black ones. And the color is stable, so it won't stain or pollute your sheets or mattress. Lifetime guarantee: If you're not satisfied for any reason, don't hesitate to contact us for replacement or refund. Your purchase today is 100% risk-free!