Foster-Stephens, inc Reusable Zip Pak Non-Woven PP Underbed Storage Bag-Large 32" x 19" x 7" Large. Reusable Non-Woven Polypropylene The large Zip Pak fits into the Large Keepsake Pak Storage & Preservation Box. White Heirloom Storage & Preservation Box. Stylish Glossy Large Storage & Preservation Box & the Golden Preservation Kit. Safe for long term storage