Etch & Ember is an online retailer specializing in accessories and custom‑designed add‑ons for popular tumblers and drinkware (such as Stanley, HydroJug and other bottles/cups). They offer a wide range of products — “boots” (protective silicone sleeves for tumblers), charms, straw toppers, handles, engraved tumblers and seasonal or themed collections — allowing customers to personalize their drinkware.