1. Set of 2 long straps with each 4 metal clips.
2. One size fits all stretchable elastic. (Fits oversized mattresses)
3. Adjustable from 28" to 91" (70 cm to 230 cm).
4. Under mattress "x" form installation.Fit for hide-a-beds, adjustable beds, inclining beds, baby's cribs,sofa and more.
5. Holds tightly in place, bed sheets, mattress pads, tablecloths, ironing board covers, slipcovers and more.
Extend 70cm-230cm Adjustable 2-Piece Under Sofa Mattress Bed Sheet Fitted Fastener Long Strap Clip Bands BDJ02 - B07BBLHQWS