The sturdy triangular design offers triple protection and ensures longer-lasting hold. Suitable for almost all types of bedding. Pack of 4 fitted sheet holders, original length from 9.5 cm to 16 cm, extendable from 25 cm to 45 cm, length adjustable to achieve the desired tension. Designed to hold your fitted sheet securely in place and ensure a smooth and wrinkle-free surface for optimal results. Suitable for bed sheets, ironing board covers, seat covers, sofa covers, mattresses, blankets, duvets, tablecloths, etc. Keep your sheets or ironing board cover secure with these 4 white holders! They feature plastic-coated metal clips that hold the ironing board or cover securely in place.