Paws Aboard Designer Life Jacket for Dogs. Easily spot your dog with the Paws Aboard Designer Doggy Life Jacket. This life jacket features an advanced breathable mesh underbelly for proper draining and drying, which provides your dog more comfort and healthier conditions than traditional pet life jackets, which can cause heat exhaustion and chafing. The reflective strips will offer maximum visibility and a convenient handle on top for easy grabbing. An adjustable nylon straps and quick release buckles. Heavy duty and comfortable velcro fastening system around belly and neck to keep jacket fastened. Dimensions: XX-Small (holds 2-6 lbs dog) - 8" L x 1" W x 7" H Weight: 0.24 lbs. X-Small (holds 7-15 lbs dog) - 8" L x 1" W x 9" H Weight: 0.28 lbs. Small (holds 15-20 lbs dog) - 11.5" L x 1" W x 13" H Weight: 0.4 lbs. Medium (holds 20-50 lbs dog) - 7" L x 2.5" W x 15" H Weight: 0.58 lbs. Large (holds 50-90 lbs dog) - 9" L x 3" W x 18" H Weight: 0.74 lbs.