39 x 8 x 75" Twin Size Mattress Boxes S-10664 - Uline
Amazon.com: Twin Size Mattress Bag for Moving and Storage, Heavy Duty Reusable Mattress Storage Bag with Handles Great for Moving & Long Term Storage - 77" L X 42" W X 15"
Sealy 12" Medium Hybrid Bed in a Box Mattress, Twin - Walmart.com