The Nyche Designs Crisscross 2 Way Adjustable Bed Sheet Straps Suspenders Grippers Fasteners for All Bedsheets Fitted Sheets Flat Sheets (Set of 2, Black) INNOVATION - 2 pull side for each corner to hold sheets tight and keep the sheets firmly in place. VERSATILITY - 1.5 meter long multi-functional. Fit to fitted or flat sheets. DURABILITY - Made of sturdy chrome metal clips and heavy duty wide elastic bands. PROTECTION - Built-in plastic clenching system does not harm fabric.