Measurements: BABY 1 Chest size adjustable from 29 to 36 cm Weight of dog between 800 gr and 3 kg Example: Chihuahua BABY 2 Chest size adjustable from 33 to 45 cm Dog weight between 2 and 5 kg Example: Maltese MINI-MINI Adjustable chest size from 40 to 53 cm Dog weight between 4 and 7 kg Example: Dachshund MINI Adjustable chest size from 49 to 67 cm Dog weight between 7 and 15 kg Example: Beagle SIZE 0 Chest size adjustable from 58 to 76 cm Dog weight between 14 and 25 kg Example: Border Collie SIZE 1 Chest size adjustable from 63 to 85 cm Dog weight between 23 and 30 kg Example: Bull Terrier SIZE 2 Chest size adjustable from 71 to 96 cm Dog weight between 28 and 40 kg Example: Labrador Retriever SIZE 3 Chest size adjustable from 82 to 115 cm Dog weight between 40 and 70 kg Example: Doberman SIZE 4 Adjustable chest size from 96 to 138 cm Dog weight between 70 and 90 kg Example: Great Dane -Renewed look, innovative, sporty, dynamic design. -Ergonomic perfection, size adjusted according to the lines and shooting angles of each breed. -Breathable and hypoallergenic inner lining. -Luminescent side labels Julius-K9 Products. -High Visibility, reflective chest strap and reflective stitched edges. -Crash Tested, Visit the Video on Our You Tube Channel. -Wider Velcro area (30 x 120 mm). Our product is manufactured by a group of material manufacturers from small EU companies. The K9 Power Sling, which has been an extraordinary success on the market for 10 years, has exceeded expectations regarding its evolution. Our R&D department has polished a successful product into a real diamond. IDC = INNOVATION DOG COMFORT AND SAFETY Ergonomic perfection and the most communicative design, but with the greatest emphasis on safety and comfort. Technical perfection and optics for a uniquely successful product for the active service dog and family dog as well as for everyday use by people and their dogs. Perfect is not just good enough for us The IDC-Powerharness available with the standard JULIUS K9 Logo or from the more than 400 optional original K9 logos available Baby1 and Baby2 sizes do not come with a handle as they are for small breeds.