Leak Proof Sliding Lid
Individual Box Included
Non-toxic and BPA-free
Recommended settings for a mug press is 365F/60sec
* Every press is different so you may need to adjust accordingly *
** Do NOT leave these tumblers in the sun for more then half an hour as the coating will diminish over time with too much sun exposure. Gentle washing is recommended** They will glow for approx. 5000 times