Mattresses must be purchased separately for all cribs, with the exception of the Pod Crib which includes a custom-fitted mattress.

Pure by Babyletto mattresses have a 10 year warranty for cores, and 1 year warranty for covers. Our warranty is valid from date of purchase and protects against defects due to faulty workmanship or materials.

Please see our warranty page for complete warranty terms.

Generally, the highest level is for newborns. Once your baby can roll over, sit up, or push up onto their hands and knees, the mattress support should be lowered. The higher levels make it easier to take your infant out of the crib, but they're dangerous when your child is able to pull themselves to a standing position.

The mattress support's level should be lowered as your baby grows. It should always be set to a level where they cannot climb out. By the time your child is able to pull to a standing position, the support should be at its lowest setting.

Once your child begins to climb or reaches 35" in height, we recommend that you cease using the crib or convert it to a toddler bed.

Our cribs fit the standard crib mattress size, with the exception of the Pod Crib, which comes with a custom mattress.

All interior crib dimensions and mattress sizes are regulated by the CPSC (Consumer Product Safety Commission), and manufacturers are required by law to adhere to these standards. With that being said, some mattresses will fit better than others. Much of the reason for this is the varying density between mattresses.

By law, a crib mattress is required to be at least 27.25" x 51.625" when measured from binding edge to binding edge. The interior of a crib can be between 27.375" and 28.625" wide, and 51.75" and 53" long, depending on the manufacturer and crib style. This can result in some space between the mattress and the inside of the crib.

Firm mattresses will generally provide the snuggest fits as they do not compress as easily. Although a mattress may be slightly smaller than another, if it is denser it will likely fill the space better.

To determine if your mattress is a good fit, it is recommended that there should be no more than two fingers width, one inch, between the edge of the mattress and the crib side.