420ML PET Insert Bottles:
Inner :304 Steel Outer: PS material, Plastic insert for sublimation printing, Individually boxed.
Size : 420ML
Coating: Glossy finish
Quantity :50pcs per carton. Minimum purchase 1 carton.
Pressing Instructions :
180 Degrees Celsius for 60 Seconds
Link of video on youtube: https://www.youtube.com/watch?v=fB1Izuhkg7w&t=69s