Smell: The vast majority of bassinet mattress have a pungent smell that makes them uncomfortable. To be honest, this bassinet mattress don't smell pungent. Meets 16 CFR 1241 Federal Tests. Please feel free to use. Two-sided design: The front side is made of high quality soft microfiber fabric with active non-toxic printing, which makes the front full of children's fun. The back side features a waterproof design. Humanized Rounded Corners & Fine Solid Edges: bassinet mattress has better support and stability when the baby rolls over, it is firmly impossible to cause the edge to sink, thus preventing the risk of bodily injury and suffocation. Quietness: Strong anti-disturbance performance, lying and rolling on the mattress for small crib, no sound. Made of high-quality foam, which is hypoallergenic, non-toxic, cushioning and decompression, good air permeability, soft and lightweight, good resilience, and protects your baby's safety in many ways. Please measure your bassinet before purchasing to ensure a perfect fit. Baby Bassinet Mattress 47 x 23.6 inches- Firm Support and Comfort Premium Foam,Noiseless and Odorless,Hypoallergenic Small Crib Mattress, Fits Moses Basket, Dual Sided with Soft Breathable Fabric