The Reef Tourer Snorkeling Vests provide just enough buoyancy, safety andcomfort for an extended day of snorkeling without fatigue. There is an adultsize and junior's size, so the whole family can enjoy a day of water fun. Thisfront mount vest (horse collar) comes in high-visibility yellow for easy ID inthe water. Vest is easy to deflate or inflate in the water, or on land to rollup for compact storage during travel. The both sizes provide approximately 17lbs. (7.71 kg) of buoyancy and come with a 6" (15.2 cm) long inflator valvefor easy operation. Safely secure the vest with the adjustable waist andcrotch straps with squeeze-style" side-release buckles.