The set of 4 sheet holder straps are perfect for keeping your bed sheets in place on your mattress, or for using on an ironing board or other furniture pieces. 
Features:

Package Includes Set of 4 White color Triangle Bands (with Enhanced Built-In Nylon "Clips")
Color: White
Material: Elastic Nylon Band + Nickel Plated Clamps
Premium Quality: Fine texture & rust-proof nickel plated clamps.
Adjustable sturdy elastic strap to allow desired length.
Wider and thicker elastic bands to ensure a stronger and more durable holding system.
Minimum length: 7 inches
Maximum length: 18 inches