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 What sizes is the Memory Foam Pillow available in? How do I know if I want a King or a Split King? What is the weight of the Layla Topper? What is Affirm? How long can the Layla Mattress stay compressed in the box before opening it? Comments 0 comments Please sign in to leave a comment.