Glitter Butterfly Galaxy Printed Tank Top Romper Dog And Owner Matching OutfitsSize Neck Girth Chest Back Length Weight S 9. 4 14. 2 9. 8 5 10 lbs M 10. 2 16. 1 12. 2 11 16 lbs L 11. 8 18. 1 14. 2 17 24 lbs XL 13. 4 20. 9 16. 1 25 32 lbs 2XL 14. 2 22. 8 18. 1 33 40 lbs Size US Bust Waist Hips XXS 4 77~83 65~71 87~93 XS 6 83~89 71~77 93~99 S 8 89~95 77~83 99~105 M 10 95~101 83~89 105~111 L 12 101~107 89~95 111~117 1X 14 107~113 95~101 117~123 2X 16 113~119 101~107 123~129 3X 18 119~125 107~113 129~135 4X 20 125~131 113~119