promotion product packaging design|mail box design

This is a mail box, tube type with reverse tuck and lock structure. Packmage CAD has three tuck strcutures and two offsetways of the dustflaps.

Features of packaging stucture design:
1 After folding one carton, and glued the two edges, can form one tube box.
2 Opening on the upper and down sides for sealing the tuck structure of the wings.
3 Tuck structures: sloved the problem that the box can be self-opened. There are lock structures between tucks and dustflaps. 
4 Mail box: The top cover and the lower cover with a outer tuck wihch can be used to put advertisements and descriptions.

Advantages and suages of packaging structure design:
1 The tube structure can let the products in easily and make the box not open easily. And it can be very protective.
2 This box structure uauslly used for bottle products.
3 Mail box can be also used for promotion products.

Key points of promotion product packaging design:
1 The purpose is to communicate and promote the products.
2 Children like the unique and interesting images, so think like a child.
3 The design and structure must be new and funny, the images must be vivid and interesting.
4 The color must be colorful, and use cold and warm colors more.