We are a professional manufacturer.The products were manufactured by our own professional teams and factory.Quality GuaranteeCarfully select hight quality material to create every products.Our professional teams handcraft each embellishment as best as they can.After-sale GuaranteeAny defect,damaged or mis-shipped items are eligible for a refund or exchange.Your 100% satisfaction is guaranteed. If you are unhappy with your purchase for any reason,please contact us FREELY.(Please don't leave negative review). We will respond to your emails within 12 hours and help you solve the problem until you are pleased. SIZE CHART(UNIT:CM) New Born:-----Head Circumference=31.1-36.3---Gown Length=67.0-73.5---Weight=6-9 Ibs0-3 Moths:----Head Circumference=36.4-40.5---Gown Length=74.5-81.0---Weight=10-14 Ibs3-6 Moths:----Head Circumference=40.6-43.6---Gown Length=82.0-88.6---Weight=15-18 Ibs6-9 Moths:----Head Circumference=43.7-45.0---Gown Length=90.0-93.7---Weight=19-22 Ibs9-12 Moths:---Head Circumference=45.1-46.1---Gown Length=95.0-97.5---Weight=23-25 Ibs12-18 Moths:--Head Circumference=46.2-47.6---Gown Length=98.7-104---Weight=25-27 Ibs18-24 Moths:--Head Circumference=47.7-50.2---Gown Length=100-110---Weight=28-30 Ibs