Loungefly Jack In The Box Antenna Ball Jack Mini Backpack 。GUC Loungefly Jack in the Box Antenna Ball Jack Mini Backpack Spread the word! The Loungefly Jack in the Box Antenna Ball Jack Mini Backpack is here to satisfy your fashion cravings any time. Inspired by the restaurant’s classic antenna ball mascot, the front of this accessory shows Jack’s signature smile, pointy nose, and yellow hat. A silicone zipper charm shaped like a takeout bag accompanies the backpack’s rounded zipper pocket, and Jack’s face glows in the dark to inspire late-night snacking. An all-over print covers the rest of the bag with burgers, french fries, sauce packets, and more of the restaurant’s beloved menu offerings. With plenty of room to hold your munchies, this mini backpack will hit the spot when styling your next outfit. This bag features applique, silicone zipper charm, glow in the dark and printed details.