This is really more of a corporate identity stationary suite mixed with a custom packaging design. Raspberry - Vegan and Organic Confectionery by Anna Warda is simple yet appealing popular packaging design.
Really need to learn how to knit/sew! Mug warmers - No link, but I like the idea. Just knit a rectangle, stitch together a side with a hole, then embroider on a piece of felt and sew on the warmer with a piece of yarn.