Snapmaker is now only selling the Double Sided Printing Stickers in Australia and the UK. I am in Japan and cannot purchase one.
I recall some of you mentioning some glass ones in the past that were much easier to achieve a good leveling with, but I cannot seem to recall the details.
Mine is 5 years old and in pretty bad shape, gouged, warped, you name it. I consider it consumable and it has been consumed. I can print small things no problem, but large area prints will fail due to inconsistent leveling, which honestly has always been a problem. I did get better after Snapmaker acknowledged that the original beds were out of tolerance and sent me a new one.