Develop endurance and upper-body strength in the water. Contoured, closed-cell EVA foam fits comfortably between legs to provide flotational support for lower body during aquatic training. Eliminates kicking, so focus and intensity is on the upper body and technique. Simple, strapless design for ease of use. andnbsp; Blue/White. 91/2" L x 31/2" W x 5" thick.