I am delighted this product again my 6 year old son opens and closes regularly once a day to lay the egg laid in our group and it happens very easily despite the closures 4, the box is stirred for déponsée be in the fridge and I am confident because good closing ... to date no omelette! with all slots you can put away the last egg to eat later. I highly recommend this product, especially when the box of eggs is handled by children.