HIGH QUALITY MATERIAL: This Bed Sheet Fasteners are made of sturdy chrome metal clips and heavy duty elastic bungee cords that will grip your bed sheets firmly. Easy to put on and keeps sheets in place and no more fixing sheets, adjustable length allows desired tension. Triangle designs, which avoiding the elastic sliding all the time.STABLE TRIANGLE DESIGN: As we know,triangle is more stable than other shape. So Our bed sheet suspenders can keep your bed and bed sheet tidy all the time.ADJUSTABLE ELEASTICITY STARPS: Wider elastic provides stable and stronger grip for heavy duty purpose; Easy to put on and keeps corners in place, Perfect Fitted Bed Sheet and mattress Cover Fastening System.WIDE COMPATIBILITY: Our Bed Sheet Holder Strips fit with fitted sheet and flat sheet; This versatile bed sheet gripper works with all types of bedding and with strong build of these straps, your bed sheet will stay in place for a long time and keep your bed always looking great. Also this Fasteners can be used as tablecloths covers,grill covers, cover, boats cover, motorcycle cover, scooters cover, couch cover, chairs cover and more.Type1: Bed Sheet HolderType2: Bedsheet SetType3: Bed Sheet Type4: Bed Sheet ClampsType5: Sheet Holdercolor:BlackMaterial:Metal + Polyurethane FiberPackage Contents:8 x sheet fastenersOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.