We pack our foam blocks into tightly compressed bundles order to save you money on shipping costs *** CARE INSTRUCTION *** FOAM PACKAGES NEED TO BE OPENED IMMEDIATELY ONCE YOU RECEIVE THE PACKAGE. DO NOT LET THE FOAM SIT UNOPENED FOR MORE THAN 1 WEEK IN ORDER TO PREVENT DAMAGE! DO NOT OPEN WITH A BOX CUTTER! USE A BALL POINT PEN OR A PENCIL. START BY MAKING A LITTLE INCISION AND BREAK IT FROM THERE. When unpacking *** Must take the compressed foam Blocks/Cubes out of the box *** Separate Each Block/Cube for the compressed foam cells to breathe in the air *** You should see foam Blocks/Cubes starting to expand in 4 to 7 hours to its form and firmness *** Allow at least 2 to 4 days for the foam cells to breathe in order for the foam Blocks/Cubes recover its original size and form from being compressed for shipping *** We compress everything down to the most economical size to keep our shipping cost down.