Size chart may vary from different merchant, please check the size guide before ordering and follow the chest girth in priority. cyeollo dog shirts made of soft and stretchy fabric, super friendly to sensitive skin. The comfortable and breathable fabric can better protect the pet’s skin from sunburn and keep cool in summer. This is the right choice for your pets. Tie-dye design in a random pattern offers stylish and unique. Great for holidays, sun beach and daily life etc. Higher cutting in the belly for easy potty. Sleeveless pet vest design makes it easy to put on and take off. Please don't put the tshirt in the dryer, recommended to hand/machine wash with cold water, do not dry clean or bleach. dog shirt