Adjustable Elastic:
- Want more tension? Just press button-pull cord. Stretch from 7" to approx 15".
- Want less tension? Press button- release cord. Stretch from11" to approx 25"
Multiple Application:
Fit to fitted or flat sheets on different type of beds such as standard size, odd shaped beds, foam beds, pillowtop beds, ect. You can also use it for sofa bed, tablecloth, ironing board cover.