(Please contact customer service to inform you of the size you need at the same time of purchase, and we can ship it to you) Choose from over 13.000 locations across the UK Prime members get unlimited deliveries at no additional cost Dispatch to this address when you check out Attention that your baby pet usually wears a size S doesn't mean all size S will fit him/her. Please check the size chart in ' Product description ' before purchase.If the measurements are 'between' two sizes. choose the larger size. Soft Material:Our shirts are made from 90% cotton and 10% polyester.which can give your pets a better feeling.suitable for pets in summer. Soft and breathable cotton fabric bring dog comfortable wearing experience. however. cotton material will shrink a little after washed. if your measurements approach the upper end of the range given for size chart. larger sizes maybe more suitable for your dog. Besides. it's better to wash shirts with cold water which may decrease shrink. Soft. flexible. breathable. washable. cotton material for added comfort.Machine-washable. with similar color items. in cold water on the gentle cycle. Suitable for most dog sizes: 5 sizes for dogs of different sizes. such as Chihuahua. Yorkie. French Bulldog. Boston Terrier. Corgi. Pomeranian. Foxhound. Schnauzer . Shih Tzu. and so on.