PLEASE MEASURE YOUR BABY'S FEET BEFORE YOU BID THE ITEM， THANK YOU! Sole Length Inside Length 0-6 months 11 CM (around 4.3") around 10.4CM (4.00")6-12 months 12 CM (around 4.7") around 11.1CM (4.37")12-18 months 13 CM (aournd 5.1") around 12.1CM (4.76"shipping time: To United State， UK， Australia and Canada usually takes 8-20 working days . 20-35 business days for most countries.