Amazon.com | Geometric Backpack Luminous Backpacks 。?Backpack Design: Geometric, Holographic Reflective, Luminous Flash, This luminous backpack handbag is perfect for office work, travel, camping, hiking, travelling, sports, gym, and a holiday weekend bag. ?Size: NO.A:10.2*12.5*4.7 inch, NO.B:13.4*12.6*5.5inch, NO.C:14.5*15.7*3.9inch, NO.D:7.9*12.6*2.4inch(L*H*W); Can holds a 12.9\"iPad Pro, iPad , book and other small things. The Interior Features: One Main Pocket, One Zipper Pocket and Two Small Opened Pockets. ?Main Material: PU Lather, Lining Material: Linen, Closure Type: String. Adjustable shoulder straps. Comfortable material, with holographic umbrella, makes you the most eye-catching person in the crowd. ?It\'s a Luminous Backpack, Flexible with All Your Dress. Especially when the backpack is placed in a dark place, when you turn on the flashlight of the mobile phone and shine light on the backpack, you will like the luminous effect. Best Mother\'s Day gifts, Halloween gifts, Christmas present, travel gift. ?What color is the Geometric Luminous Backpack? This luminous backpack is made of PU leather that can reflect light. Under normal light, it appears close to black. When there is a strong light shining on the backpack, color will change, and you will see reflections of different colors at different angles.