Eagle creek pack it compression sac set ml remove excess air from bulky garments using eagle creek medium and large pack it tm compression sacs to save up to 80 of your packing volume these durable nylon reinforced compression bags are handy for saving space and for getting your dirty laundry home without mixing it with the rest of your stuff details features reduces volume up to 80 2 in 1 set patented one way pressure valve patented zip closure at top product specification