The ONYX pet life jacket will keep your pet safely swimming so you won't have to worry Soft neoprene is comfortable and warm for your pet and allows freedom of movement The zipper on the top of the vest allows for easy onoff functionality while the adjustable body belts adjustable straps offer a better fit Features include a sturdy handler's strap for easy recovery and reflective surfaces for increased nighttime visibility Xsmall size fits pets weighing 815 lbs 1013 neck 1824 chest and 1420 waist Onyx 15720010003019 043311959186.