The material used in this product is un-bleached micro-corrugated cardboard, with rubber as a complementary material. The shape memory behaviour of the rubber allows the same package to hold eggs of any size. The eggs are held in an ellipsical holes cut out of the cardboard. Although the egg holder is open at the top, the eggs will not fall out if it is turned upside down as they are held in place by the elasticity of the rubber. The packet is easy to fill, and the consumer can remove the eggs without having to open it. The one-piece egg holder does not used adhesive and the empty packets can be stacked in piles. From an environmental point of view, the packet is recyclable and its manufacture implies minimal material consumption and wastage.