What size box does the Layla Topper ship in? Layla March 11, 2021 18:11 Updated Follow The Layla Topper ships in a 16" x 16" x 16" box. Related articles What are the Dimensions and Weights of the Layla Hybrid™ Mattress? What is the weight of the Layla Topper? Comments 0 comments Please sign in to leave a comment.