Get creative and design fridge frames, wall signs, collages, cards, storage boxes, and so much more with this foam board. Its bi-fold design allows for easy storage. Though lightweight, this premium quality board is durable. It measures 20" x 30" when open and 15" x 20" inches when folded.Details: White15" x 20" (38.1cm x 50.8cm) folded size20" x 30" (50.8cm x 76.2cm) unfolded sizeLightweightEasy to store