What are the dimensions of the Yogabed mattress box? August 13, 2020 14:57 Updated For Twin, Twin XL and Full mattresses: 44" x 16" x 16" For Queen, King and Cal King mattresses: 44" x 20" x 20" Related articles Can you ship to a P.O. Box? How long does it take to receive a mattress order? Is there a recycling fee for the Yogabed?