Sling is very stable, has generous proportions and will not slip. Offers more support around middle and lower back than the Theraquatics.com Hip Float (item 9308A). Can be used while on back, side or stomach. Recommended for swimmers who have difficulty in maintaining a supine swimming position. Used in conjunction with Theraquatics Neck Float (Item 9401A) or theraquatics Posture Pillow (Item 9307A) to ensure a horizontal position in the water. Latex free. See About Us pages for care and use of this float.