How To Measure The Dog Size Chest: Measure The Thickest Part Of The Chest, Add 23Cm Will Be Better (Usually Behind The Two Legs) Length: Make Sure Your Dog Stands Properly, Not Sitting Or Lying Measure Along The Dogs Backbone From The Base Of The Neck To 5Cm Front The Base Of The Tail Neck: The Girth Of The Neck, Add 23Cm Will Be Betternote: If Your Dog Is A Large Chest, Long Hair, Or At The High End Of The Size, You May Order The Next Larger Size To Ensure A Comfortable Fitsize Details: This Dog Clothes Is For Small Toy Dogs Or Cat Under 20 Pounds Size Xs: Neck Girth: 6-7Inch16-18Cm Chest Girth: 10-115Inch25-29Cm Back Length: 6-8Inch16-20Cm For Weight 1-2 Pounds05-10 Kg Size S: Neck Girth: 7-85Inch18-22Cm Chest Girth: 11-125Inch28-32Cm Back Length: 7-85Inch18-22Cm For Weight 2-55 Pounds10-25 Kg Size M: Neck Girth: 8-95Inch20-24Cm Chest Girth: 14-155Inch36-40Cm Back Length: 85-10Inch22-26Cm For Weight 55-10 Pounds25-45 Kg Size L: Neck Girth: 95-11Inch24-28Cm Chest Girth: 155-17Inch40-44Cm Back Length: 105-12Inch27-31Cm For Weight 10-14 Pounds45-65 Kg Size Xl: Neck Girth: 11-125Inch28-32Cm Chest Girth: 18-195Inch46-50Cm Back Length: 125-14Inch32-36Cm For Weight 14-185 Pounds65-85 Kgbreed Recommed: (For Reference Only): Teddy Or Poodle Adult Dogs: Sometime Take M, L, Xl Chihuahua Adult Dogs: Sometime Take Xs, S Or M Pomeranian Adult Dogs: Sometime Take S Or M Miniature Schnauzers Adult Dogs: Sometime Take L Or Xlthe Recommend Weight Is Just For Reference, Please Kindly Take A Measurement Of Your Dog Before Buy, Thanks