Ironing board cover clips and traps have plastic washers that do not damage the fabric. Adjustable length allows for desired tension. Designed to hold the ironing board cover securely in place, ensuring a smooth, wrinkle-free surface for much better results. Suitable for ironing boards, seat covers, sofa covers, sheets, baby beds, mattresses, blankets, quilts, tablecloths, etc. Keep your ironing board or cover taut with these 4 tensioners! Equipped with plastic-coated metal clips, they keep the sheet or ironing board cover securely in place. Product Description Elastic Fitted Sheet Gripper (Black, Pack of 4) Product Information: Material: nylon elastic + metal clips Color: black Features: Multi-purpose: suitable for almost all types of bed sheet mats, mattresses, tablecloths, ironing board covers and other covers. Sturdy and durable: the + quality, elastic nylon ribbon and plastic and metal clips. Practical: easy to use on any occasion. Integrated plastic tightening system does not damage the fabric. The adjustable length allows the tension desire. Thanks to these straps, the cover or sheet no longer moves: no more creases. Package contents: 4 x fitted sheet tensioners