Twins mean double the fun and double the crib space. Luckily, the Whitney Brothers Space Saver Two Level Crib provides two sleeping areas in an efficient, space-saving design.This maple wood, two-level crib offers a safe sleep space for two. The upper crib is a fixed position unit with a folding front rail design, while the bottom crib slides out on casters for easy access. This double-decker model is also ideal of caregivers, grandma's house, when the cousins come to visit, or even for one child, as the bottom crib can be moved to another room for naps or playtime. This crib comes with two 3-inch thick, vinyl covered foam mattresses. Made in the USA, it is GreenGuard certified, and offers easy assembly and a lifetime warranty from the manufacturer.