Safe and comfortable. The life jacket can help the dog stay afloat in the water by providing comfortable buoyancy in the water, and does not restrict movement on land. Bright colors and reflective stripes to maximize visibility. Easy to grip handle The swim vest incorporates a handle that helps lift the dog out of the water. Adjustable straps and quick release buckles for a better fit and keep the jacket secure on the dog when in the water. The sturdy D-hook is designed for the dog leash. Breathable mesh under the belly for proper drainage and drying. The most important and decisive measurement should be the chest measurement. XXS: chest measurement: 28 to 33 cm, dog’s weight: