The Contours® Vibes™ 2-Stage Soothing Vibrations Crib Mattress and Toddler Mattress helps infants and toddlers sleep better and longer. An independent infant sleep study showed improved quality and quantity of sleep when babies used this patented vibrating crib mattress. In fact, infant sleep quality improved by 91%, babies slept 78% longer at night, and woke up throughout the night 61% less often. It also helped reduce colic symptoms. Fussy sleepers were able to self-soothe. Soothing vibrations are built into the mattress with an easy-reach button through crib rails! Plus, a remote control and remote batteries are included to easily power up from other rooms in the house. 3 vibration modes and 3 timer settings. Your remote is safely shipped inside the main battery compartment. Superior support throughout. 201 sturdy posture support coils plus steel edges for support. Layered with sustainable, airy cushioning and cotton protective wrap. 2-stage grow-with-me dual firm design. Silky soft cotton fabric surface is breathable on baby's skin. A waterproof barrier protects the mattress. GREENGUARD GOLD Air Quality Certified for a healthier indoor sleeping environment.