Aquatic pet preserver is high quality dog life jacket that is great for keeping pets safe in and around the water. Pet preserver is made with two layers of floatation material and features quick grab handles for easy water rescues. New and improved features include more flotation material, strong, non-restrictive straps with quick-lock clips at belly and sturdy, tear-resistant fabrics. Other features include extra high visibility materials, dual reflective strips, a leash attachment loop and quick pickup handles to make easy work of dog-overboard rescues. These are measured by length as the neck and waist are adjustable.

Recommended sizing by breed:

Teacup: Dogs under 5 lbs
XX-Small: Chihuahua, Chinese Crested, Pomeranian, Toy Poodle 
X-Small: Brussels Griffon, English Toy Spaniel, Maltese, Miniature Dachshund, Norfolk Terrier, Papillon, Yorkshire Terrier
Small: Austrialian Terrier, Border Terrier, Boston Terrier, French Bulldog, Miniature Pinscher, Miniature Poodle, Pekingnese, Pug, Shih Tzu, Silky Terrier, West Highland Terrier 
Medium: Beagle, Bichon Frise, Brittany Spaniel, Cairn Terrier, Cocker Spaniel, Corgi, Jack Russell Terrier, Lhasa Apso, Scottish Terrier
Large: Australian Shepherd, Border Collie, Bulldog, Dalmatian, Standard Schnauzer
X-Large: Doberman Pinscher, German Shepherd, Golden Retriever, Labrador Retriever, Rottweiler