Extra-large airholes let baby's skin breathe, keeping skin drier for ultimate soothing comfort; 9 out of 10 parents agree that Philips Avent Ultra Air pacifiers are comfortable for their little one² Baby pacifier 0-6 months with orthodontic⁵, symmetrical soft silicone nipple; narrow neck nipple design helps reduce pressure on teeth and gums 98% nipple acceptance⁴: an average of as many as 98% of parents declared that their baby accepts Philips Avent Ultra pacifiers with textured, silicone nipple Kinder to the planet: give the best care with less environmental impact − the Philips Avent Ultra range features pacifiers and sterilizing cases made using 80% plant-based materials¹ Reusable carrying case that doubles as a sterilizer so pacifiers are always ready to use: add water and microwave for 3 minutes for easy sterilization that generates up to 50% less CO2 emissions³ The set includes: 4x Philips Avent Ultra Air pacifiers 0-6 months, 2x sterilizing/carrying case