In the hot summer, we also need to cool the puppy down, let them have a nice summer. This product can definitely meet your needs. Made of premium dacron material, keep your beloved dogs cool and comfortable through the hot summer. Perfect for as a gift for your beloved puppy. Feature - Color: Blue. - Material: Dacron. - Size L: About 38 x 52 x 40 x 25 cm. (Back Length x Chest Circumference x Neck Circumference x Abdomen Length). - Size M: About 33 x x 36 x 22 cm. (Back Length x Chest Circumference x Neck Circumference x Abdomen Length). - Size S: About 28 x 41 x 32 x 19 cm. (Back Length x Chest Circumference x Neck Circumference x Abdomen Length). - Size XS: About 24 x 33 x 28 x 17 cm. (Back Length x Chest Circumference x Neck Circumference x Abdomen Length). - Made of premium material for comfortable wearing experience. - Keep your beloved dogs cool and comfortable through the hot summer. - Easy to fit, easy to wear, easy to wash. Specially designed for puppy or pets. - Perfect for your lovely dog dairy wear, photos and sleeping time. - A good option for dog to explore the outdoor world, get more exercise or go on trips with more freedom to move around safely. - What a great gift idea for the owner of a four legged friend. -Warmtip:Dearbuyer,duetolightingeffect,monitor'sbrightness,manualmeasurementandetc.,therecouldbesomeslightdifferencesinthecolorandsizebetweenthephotoandtheactualitem.Sincerelyhopethatyoucanunderstand Thankyou