1. The backpack is made of canvas. 2. Pattern is able to luminous in the dark. 3. There are black and navy blue for your choice. 4. You can find size information in the last picture.

• Material: Canvas.
• Size: Please check last picture.
• Luminous: Pattern is white in the light.After absorbing light it will be luminous in the dark.
• Color: There are black and navy blue for your choice.
• Express to US: Standard 7-14 Business Days(USPS); Expedited 3-5 Business Days(DHL).

Material: Canvas.