OBrien BioLite Dog Life Vest w Handle Mans Best friend has enough to worry about - chasing their tail,toys to retrieve,lakes to swim in, and treats to devour. The Dog Life Vest by OBrien provides your favorite pet with safety and protection when out on the water. This dog life vest is constructed with BioLite. BioLite technology unleashes the power of a lighter weight fabric that is an eco-friendly alternative to Neoprene. BioLite jackets are lighter weight, breathable, environmentally friendly