The Original Sheet Suspenders Brand New & Improved plus Mini's bundle, Save $5! Celebrating 30yrs. with a New and improved sheet suspenders plus sheet minis bundle saves you money and are made in the USA! New and improved sheet suspenders keep bottom sheets on all mattresses, even hide-a-beds, adjustable beds, inclining beds, baby's cribs and more; two adjustable suspenders straps; no lifting or bending required; one size fits all Only sheet suspenders is patented with its unique cris X cross usage, making it the only true solution Sheet suspenders minis hold by the corners in a different cross corner method; together your sheets should not move Fit any size or type mattress, even odd shaped mattresses such as those found in boats and RV's