CheePet Spring Summer Pet Puppy Doggie Clothes the Union Flag Symbol Dog T-Shirt Medium size,Excellent gift for dogs and dog lovers Available sizes:Medium;Available colors:Grey;-Please check the Size Chart above; To correctly estimate the chest,you'd better add at least 1 inch to the real measured chest as the final needed chest,since the pet can not wear the suit with the exact measured chest except sweaters,so going up a size in the top line measurement is always a smart choice; 100% pured soft cotton,comfortable for your pet baby;Sexless Unisex Ambisextrous-for both boy/male dogs and girl/female dogs;Simple designed cool summer suit For body length,please keep the extentoftheerror between 0.5-2.5 inches which will not affect the use of the suit;The larger size will be better if the actual measured size falls in between a smaller size and a larger size; We can arrange replacement or refund if the suit can not fit your pet,but you need to cover the shipping fee back and forth, and do please make sure that the suit is clean and clear, no off-Odour and with original package.