Soft, suction-release bulb spreads wider as baby sucks for low-pressure comfort;Thin-stem design is minimally invasive on baby's mouth;Contoured butterfly shaped shield curves away from baby's face for comfort, plus allows plenty of room for baby's nose and cheeks;Safe illumination makes it easy for baby and parents to find at night and low-light situations;Easy to recharge; just expose to light!;Suction-Free air channel helps to reduce the suction and palatal pressure that can create dental issues such as cross bites;Thin-Stem design is minimally intrusive on baby's mouth;Soft, suction release bulb spreads wider as baby sucks for low-pressure comfort;Glow in the dark