Dog Pet Puppy Saver Life Jacket Vest Reflective Strip XXS, XS, S, M, L, XL, XXL Size: XXSmall CHEST 10"-14" LENGTH 6" DELIVERY TIME 2 -4 DAYS! Please measure your pet and compare to the chart provided as each brand and style of pet clothing has its own sizing system. One brand size M can very well be another brand size XL! Each listing has its own unique chart and no two listing charts are the same.