Loungefly Dr. Seuss How the Grinch Stole Christmas backpack 25cm Size: 23,75x25x11,25cm. The Loungefly Grinch Lenticular Heart Mini Backpack is made of vegan leather (polyurethane). Bag has adjustable shoulder straps and sturdy metal hardware. Additional features include applique, debossed, embroidered, lenticular, and printed details. Take note of the coordinating inside lining.