If you are trying to "put together" an assembly for a cup or cooler, you are likely referring to products.
Potassium bromate is an oxidizer used to strengthen dough , enhance elasticity, and provide a higher "oven spring". bromate
It is banned in many "civilized nations" including the UK, Canada, and the EU. If you are trying to "put together" an
A stainless steel or silicone-tipped straw that fits into the lid. bromate
A silicone boot or sleeve that often comes as a separate piece to protect the base of the tumbler.
Depending on what you're looking for, here is the full breakdown for both. 1. The Drinkware: BrüMate