Metal clasps are a great addition  to your cartonnage boxes and suitcases. 

This is a flat latch to be used when both pieces to be attached are in the same "level", or flat. Color is brass, two sizes available, option A a slightly bigger than B. Includes enough small screws to be attached to your project.  

Small magnetic screwdriver is recommended to attach the clasp to the box, take a look at the tools section of the shop.