Cute Comfy New Fashion "I Love My Mommy" Cool Summer Dog Sport Tee-Shirt Vest Light Weight with Beautiful Sequin Heart, Pink and White, Small, Med, Large, XL, XXL perfect for small to medium size dogs Beautiful design with 100% cotton stretchable blend with shiny sequin heart. Great for small to medium size doggies. Machine washable. Perfect for special occasions, parties, outings, weddings or just as everyday cute wear. US seller for fast delivery and and easy exchanges. Ships in 1 day from FL USPS w/tracking FITTING INSTRUCTIONS: Please measure your pets back lenght, neck, and chest with a measuring tape or string for accurate fit. Then compare to the sizes below. This tee will stretch some so your measurements dont have to be exact just close. Small-back lenght 7-8" chest-12.5" neck approx 9" Medium-back lenght 9-10" chest is 14-15" neck-10.5" Large-back lenght-11-12" chest is 17-18" neck-11-12" X-large-back lenght-13-14" chest-19.5" neck-12-13" XXL-back lenght is 15-16" chest-21-22" neck-13-14"