This item is handmade from a cotton fabric with very good quality. The elastic band on the waist of the back and on the thigh are very flexible so your baby will not be compressed. There are snaps at the bottom of the romper which make it easy for dressing and diaper changing. MEASUREMENTS: Newborn (up to 7 bls), 0-3months (7-12 lbs), 3-6months (12-17 lbs), 6-12months (17-22 lbs), 12-18months (22-27 lbs), 18-24months (27-30 lbs), 2T (30-33 lbs), 3T (33-38 lbs), 4T (38-43 lbs) Production Time: Usually it takes 7 days before we ship your order, but we will try to make sure your order arrive in time for your event, so please remember to note the deadline when you order. Estimated SHIPPING TIME (standard shipping) North America: 1-2 weeks Europe: 1-2 weeks Australia, New Zealand and Oceania: 1-2 weeks I'll do my best to meet these shipping estimates, but cannot guarantee them. Unless you cost extra, we will use fast shipping around 7-15 days on making and shipping.