yep tupperware sandwich keepers are the way to go or the larger sandwich keeper with capartments, we bought the insulated pack came with drink bottle, swich keeper and 2 small containers great for small snacks and as PP have said life time warranty tupperware will replce swich keepers if hinge breaks the insulated pack part isn't covered though IYKWIM... but the containers are they can be dear but we got ur at a bargain price due to be ice age 3 sellout stuff