The Welford Grove natural mini portable folding crib is specified for use in any commercial application yet has a Euro style to fit with any contemporary home decor. The fixed stationery sides have plastic teething rails installed on both sides. It has a one position mattress support, solid hardwood construction, and comes in a beautiful yet durable natural finish. The crib is easily folded for storage and the built in "pocket" feature allows the mattress to be stored in the folded crib when nap time is over. Heavy duty ball bearing casters, two of which lock, make it easy to move from room to room or to get it to its storage space. Designed and built with the rigors of commercial use in mind, but also perfect for use where space is at a premium. Includes a 24" x 38" x 2" thick foam mattress. Customer assembly required. Mattress is compliant with Federal Flammability standard 16 CFR 1633. This crib meets the Mandatory CPSC 16 CFR 1220 regulations for non-full-size cribs.