- Chelsea Storage Bed, Twin, PBteen White When space is at a premium, you need a book-smart solution like our highly functional Chelsea Storage Bed to keep your stuff tucked under cover and out of sight. Twin: 42" wide x 82" long x 54.25" high Full: 58.5" wide x 82" long x 54.25" high Queen: 65.5" wide x 87" long x 54.25" high Crafted with a kiln-dried wood frame. Box spring optional. Four spacious under-bed drawers hold all of your essentials. Stash books, slippers and more in the four handy under-bed cubbies.