Season:Spring/Summer Material:POLYESTER Origin:Mainland China CN:Guangdong Type:Dogs Ultrathin Vest Summer Dog Clothes For Small Dogs Cats Chihuahua T Shirt Breathable Mesh Funny Cute Pets Costumes For Puppy Coats Product Designed According To The Dog's Body Shape. Create Fashionable, Comfortable And Fit Products. Dimensional Cut,Fit And Comfortable. Fleece Fabric,Warm And Comfortable. About Size: XS: Bust:24cm/9.45 , Back Length:14cm/5.51".Recommended Pets Weight:0.5-1.5.kg. S: Bust:29cm/11.42" , Back Length:19cm/7.48".Recommended Pets Weight:1.5.-2.5kg. M: Bust:34cm/13.39" , Back Length:24cm/9.45.Recommended Pets Weight:2.5-4kg. L: Bust:39cm/15.35" , Back Length:29cm/11.42".Recommended Pets Weight:4-5.5kg. XL: Bust:44cm/17.32" , Back Length:34cm/13.39".Recommended Pets Weight:5.5-7.5kg. XXL: Bust:49cm/19.29 , Back Length:39cm/15.35".Recommended Pets Weight:7.5-10kg. 1 inch=2.45cm 1 cm=0.3937inch Note 1.There may be 2-3 cm error cause manual measurements. 2. For the two legs Clothes , pls pay attention to chest girth, And for four legs, must fit for chest girth and back length. 3. For the growing puppy, you'd better choose the bigger size Ultrathin Vest Summer Dog Clothes For Small Dogs Cats Chihuahua T Shirt Breathable Mesh Funny Cute Pets Costumes For Puppy Coats