Check the listing for details. Bed Sheet Holder Straps, Heavy Duty Adjustable Elastic Sheet Clips, Fitted Sheet. Condition: New with tags, Made in China. Listed at 11.35 USD. Heavy Duty Elastic Straps and Nickel-plated Clamps COMPLETE SET: Package includes 4 adjustable bed sheet straps with heavy-duty metal clips to securely hold your fitted sheets in place ADJUSTABLE DESIGN: Elastic fasteners allow you to tighten or loosen simply by pulling the buckles to achieve the desired tension, making it ideal for any mattress size STRONG GRIP: Metal clips feature firm gripping power to keep sheets taut and wrinkle-free without damaging fabric EASY INSTALLATION: Simple triangle design allows quick attachment to sheet corners - just clip, adjust length, and secure under mattress VERSATILE USE: Compatible with fitted sheets, flat sheets, mattress toppers, and other bedding accessories up to king size