Nightmare Before Christmas - Jack and Sally Hearts Mini 。The NEW Loungefly Disney Nightmare Before Christmas Jack & Sally Mini Backpack is a stylish and trendy accessory for women. Featuring Jack & Sally characters in black and purple colors, this simulated leather mini backpack has a zip closure and a lined interior with a purple lining. The adjustable purple handle/strap adds comfort and convenience, making it perfect for carrying essentials while showcasing your love for the movie theme. With the Loungefly brand and silver hardware, this backpack combines fashion and function for a chic look.