Sublimation Backpack blanks | Sublimation Blank Backpack | Custom Book Bag | School Bag with Removable Panel for easy printing. This backpack is an ideal for all types of back-to-school gifting, promotional products and daily use. You can print your images on the blank area by using dye sublimation printing process. Product Application: These blanks are ideal for decoration using dye sublimation printing. It can also be used for other type of craft decoration as well. These are awesome gifts for different daily use items. ▶ Referential Printing Parameters: 400 F (205℃), 30~40 seconds. ▶ Packaging: 1 pcs Packed in a plastic bag. ==================================== 🚚 Shipping Ready for shipping in 1~2 business days.