Friday the 13th Jason Lenticular Mini-Backpack - Entertainment Earth Exclusive: The mini-backpack you've been screaming for! Jason includes a lenticular feature! Limited Edition Exclusive mini-backpack from Loungefly. Measures about 10 1/2-inches tall x 9-inches wide x 4 1/2-inches deep. Inspired by the Friday the 13th horror franchise! Entertainment Earth Exclusive! - Prepare for all the scares that Jason has in store this scary season with this Friday the 13th Jason Lenticular Mini-Backpack - Entertainment Earth Exclusive! It is made of faux leather and features top zipper closure and front zippered pocket, matching themed lining, adjustable straps, applique, and printed details. Featuring a lenticular design where you can watch his mask become 'bloody'! This mini-backpack approximately measures 10 1/2-inches tall x 9-inches wide x 4 1/2-inches long.