The Summer Infant Rest Assured Sleeper is designed with baby's safety and comfort in mind. A sturdy metal frame protects baby from parents rolling over. The mesh sides help air to better circulate protecting baby from overheating AND allowing parents to easily see their sleeping baby. The included pad is removable and machine washable.To help soothe baby to sleep, the Rest Assured Sleeper includes an electronics unit with 4 melodies, 2 nature sounds, a womb sound and two speed vibrartion. Loaded with parent conveniences like a nightlight with 3 settings and a 5 minute timer, and pocket for holding diapers, pacifiers and other necessities, the Sure & Secure Sleeper provides a cozy and comfortable environment for co-sleeping with baby. The Rest Assured Sleeper folds compactly for travel or storage.