BPA free. Sticker is UV-DTF which are made for these types of applications and last long in water and wear and tear. 20 oz and with a safety lock so it is good for school and in the backpack! 

UV DTF (Direct to film) printing is an innovative printing process that utilizes a UV printer to print directly to film without the need for ink or toner. The UV DTF printer creates high-quality transfers that are almost three-dimensional and that easily adhere to almost any surface. Do not put tumbler in the microwave or dishwasher - hand wash only! Using the dishwasher will decrease the life of the UV DTF.