I used the Gift Box Punch Board for this box - it's really a decent size. Belly band around the whole thing, along with some ribbon to tie the tag on with. Very easy gift box, and can be used for most anyone.
Stampin' Up supplies that you'll need to create this:
Stamps: Perfect Pairings (Sale-A-Bration item), Perpetual Calendar (for the little starbursts on the tag)
Ink: Lost Lagoon, Soft Sky
Paper: Lost Lagoon, Whisper White, Wildflower Fields designer series paper (SAB item)
Other: Lost Lagoon satin ribbon, 2 1/2" Circle punch, Ornate Tag Topper punch, Stampin' Dimensionals, Gift Box punch board.