We have been in the printing industry since people started printing on cases.We believe the high-quality product is the secret for returning customers and successful business.You will require sublimation inks to print on these cases. We carry SUBLIJET INK, transfer papers, and machinery.These cases are made by INNOSUB USA from the highest grade and are both durable and lightweight. This cover will protect your phone from scratches and general wear and tear.You can print anything you like on these cases, only limited by your imagination!Pressing Time for Aluminum inserts: 176-182 degrees Celsius (350-360 degrees Fahrenheit) for 45-60 seconds (Dark colors are the ones that sometimes need more time to transfer properly)The cases come with a premium aluminum inserts and very durable adhesive film to make it easy to install.If you have any questions please ask! **** FYI **** We carry a variety of other sublimation products. Since we manufacture our own cases we have the latest models before anyone else!Our cases come in Plastic, Rubber, and Wallet type. Many colors available, please contact us for bigger orders. Stay close and follow us in all the social media: INNOSUB USARELATED POSTS.