Material: Cotton Blend.Sleeve Length:Short Sleeve.Cotton BlendMachine WashableInner Material: Lining: CottonSleeve Length:Long Sleeve. Collar:O-NeckPackage include:2PC (tops + pants).Suitable for ages in children ( 1-5 years old). Please check the size chart in the description before you purchase it. Thank you!90 0-6 MONTH100 6-12 MONTH110 12-24 month120 2T-3T130 3T-4T140 4T-5T