Dear friend, there may have a 2-1.18(3cm) size difference between the real item and product description because of the different measuring method.Thanks.
Material:Cotton blending
Size details:
US 2y:Length:16.14"(41cm) Bust:25.20"(64cm) Sleeve:13.98"(35.5cm);
US 3y:Length:17.32"(44cm) Bust:26.77"(68cm) Sleeve:15.16"(38.5cm);
US 4y:Length:18.50"(47cm) Bust:28.35"(72cm) Sleeve:16.34"(41.5cm);
US 5y:Length:19.69"(50cm) Bust:29.92"(76cm) Sleeve:17.52"(44.5cm);
US 6y:Length:21.26"(54cm) Bust:31.50"(80cm) Sleeve:19.09"(48.5cm);
US 7y:Length:22.83"(58cm) Bust:33.86"(86cm) Sleeve:20.67"(52.5cm);

• 100% brand new and high quality.
• Pls check description for sizing chart before order.Because this jacket is made in Asian sizing which is smaller than USA sizing standard.
• Note:Ship from China,need to take 2-4 weeks to USA or European Countries.
• 100% Buyer Satisfaction Guaranteed.
• Please check the description carefully before you buy the item. 1 inch = 2.54 cm.

100% brand new and high quality.