Size: #1: Size Neck Chest Width XL 19.5"-23.5"(50-60cm) 23.5"-28"(60-72cm) 1"(2.5cm) 2XL 19.5"-27.5"(50-70cm) 27.5"-39"(70-100cm) 1"(2.5cm) 3XL 19.5"-27.5"(50-70cm) 33.5"-44"(85-112cm) 1"(2.5cm) #2: Size Neck Adjustable Chest Adjustable Width S 14-22"(35-55cm) 18-22"(46-56cm) 1.8cm M 16-24"(40-60cm) 30-34"(76-86cm) 2.8cm #3: Size Neck Adjustable Chest Adjustable Leash S 13-18"(32-45cm) 12-20"(30-50cm) 5/8"*48" M 18-23"(45-60cm) 16-23"(40-60cm) 5/8"*48" L 16-27"(40-70cm) 24-30"(62-77cm) 5/8"*48" Note: Please measure the chest size of your pet before ordering.That's important! Please allow 0.5-1 inch(1-3cm) error due to manual measurement.
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