Button closure ?? MATERIAL: 100% Polar Fleece Pyjamas,Breathable,Comfortable thermal and Soft to touch. Make you become a real shark in those cold days. ?? COZY: Shark Costume for Adult and Teens features buttons,easy to put on and take it off.Side pockets,carry your keys and cell phone around with you.Loose fit design give you freedom.Attached paw-shaped gloves complete the shark costume look. ?? CLEANING?:Take good care of your new shark pajamas to prevent fading! The comfortable polyester material is recommended to be hand washed and laid flat to dry. If ironing is required, it is recommended to do so on Low heat only. ?? SIZING: S fit for height from 4’11”-5’2”(150cm-158cm); M fit for height from 5’3”-5’6”(159cm-168cm); L fit for height from 5’7”-5’10”(169cm-178cm); XL fit for height 5’10”-6’2′(179cm-188cm).Please carefully check the size chart to choose the right size for your new plus one piece onesies. ?? MONEY EASY BACK: All question about the shark costumes please feel free to contace us at any time,we will provide you with a satisfactory service.We accept FULL REFUND if our Onesie Pajamas with quality problem absolutely. And simply exchange in size.