Features: Brand new and high quality Soft Cotton material, keep your puppy more warm Humanized design with the button of the cloth makes your pet looks lovely and gentle, fashionable and different. Material: 100% Cotton Color: Pink / Blue Size: XS / S / M / L / XL / XXL Size XS: Back Length: 8 inch = 20 cm / Chest: 12 inch = 30 cm / Neck: 8.4 inch = 21 cm Size S: Back Length: 10 inch = 25 cm / Chest: 14 inch = 35 cm / Neck: 9.6 inch = 24 cm Size M: Back Length: 12 inch = 30 cm / Chest: 16 inch = 40 cm / Neck: 10.8 inch = 27 cm Size L: Back Length: 14 inch = 35 cm / Chest: 18 inch = 45 cm / Neck: 12 inch = 30 cm Size XL: Back Length: 16 inch = 40 cm / Chest: 20 inch = 50 cm / Neck: 13.2 inch = 33 cm Size XXL: Back Length: 18 inch = 45 cm / Chest: 22 inch = 55 cm / Neck: 14.4 inch = 36 cm NOTE: 1. Please measure you pet and check the size chart before your purchasing. Our design might be smaller than the standards of the market. Thanks. 2. Please use the chest as the main choice basis, back length as the supplement.