Material: Made of cotton and a little span material. | Size: M-4XL. Please measure your dog’s body, neck and chest size before buying. If there is a difference between the neck and the chest, follow the chest size. | Features: Fashion dog paw printed on fabric,long sleeve pajamas for medium or large dogs. | Occasion: This super cute dog pajamas , provides cozy feeling during four seasons with soft lining, perfect cold weather days, spring, autumn. | Note: Our pajamas are mainly for dogs and greyhound.