Proper premature baby wear for low birth weight 3-6lbs. (1.36 - 2.7kg) and also for babies that are in the NICU that require heart monitors, apnea monitors, oxygen or other medical equipment. These outfits have been designed to open completely allowing access with out undressing, Velcro loops on the side to hold oxygen or lead wires. Velcro closures not zips or snap domes. Plus all labels are located on the outside of the garments to prevent irritation to babies’ skin.