Alexander Wang Prisma Skeletal Backpack | Bragmybag。Rare Grey & Blue. Alexander Wang Prisma Skeletal Leather Backpack, a stylish accessory for the modern woman. This medium-sized backpack with beautiful blue straps and metal hardware. Condition is used Good. Straps have some wear. Measuring 25cm in width, 33cm in height, and 17cm in depth, this backpack is perfect for carrying your daily essentials. The Alexander Wang Rocco product line guarantees quality and style, and this model is no exception. With its edgy design and practicality, the Alexander Wang Prisma Skeletal Leather Backpack is an excellent addition to any wardrobe.