A quick gift box cut from A4 coloured paper. Customise the designs on the side, and the paper colour and add a personalised sticker to the lid for a simple gift box for any season.
-- V2 Edit
Moved heart design on flap up away from the fold
Added patterns for flap backing colour
Cut it out, fold it, connect the flaps and you are done. Add another color behind the design on the side flaps to make nice highlights.