ELASTIC AND MOVE FREELY : 95 percent Cotton, 5 percent Spandex,four-way stretch fabric, hand washable and not easily deformed.This Surgery Recovery Suit is High Elastic and with no legs, your cats can move freely, Acts like a second skin for maximum protection. Please refer to the size chart in the picture and make sure you choose the correct size before purchase. (Please allow 1-2cm error due to manual measurement) UNIQUE DESIGN and EASY TO WEAR:We improve the design of this cat surgery recovery suit to fit the pets better so that they dont want to try to escape, Close to the body without feeling bound, just like human beings wear clothes.Easy to wear and fit on the skin. Made with elastic band for adjustable size.And the hookandloop design makes it more convenient. PROTECTION:cat recovery shirt can effectively protect your cats wounds and bandages,and protect skin diseases. It is great for patients to recover after surgery and avoid skin diseases, comfortable and anti-harassment and keep cat calm and relieve stress. DETAILSBigger opening at the rear enables cats use the litter tray without opening the recovery suit and no need to roll it up, the full length of the velcro design makes it easier to wear. Keeps pets comfortable and mobile.Magic Paste tape on the back make it much easier for putting on and taking off. MEASURES:There are 3-4 Sizes available for different ages of cats. Size S for Weight 3.3-5.5 lbs. Size M for 6-8 lbs. Size L for 8.5-11 lbs. Size XL for 12-15lbs. This Suit is slight Elastic.NOTE: Dont use the breed of the cat to determine the size.