What size box does the Layla Topper ship in? Layla January 23, 2019 04:37 Updated Follow The Layla Topper ships in a 12" x 12" x 30" box. Related articles How Do I Return/Donate the Layla Mattress? How soft is the Layla Pillow? Do you Ship to PO Boxes or APO/FPO Addresses? Comments 0 comments Please sign in to leave a comment.