Elfinbook Erasable Notebook Paper thermo bottles Using single direction scrub gets

Using single direction scrub gets more effective than the scrubbing back and forth

Material: Food-safe

Hand washing recommended

And then insert the B tubes to F connector and G connector

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Elfinbook Erasable Notebook Paper thermo bottles Using single direction scrub getsWrite, erase, and reuse endlessly with the Elfinbook Reusable Smart Notebook. Made from stone paper, this eco friendly notebook wipes clean with a damp cloth or heat and connects to the Elfinbook app to save your notes digitally before erasing. It's the notebook that never runs out of pages. Available Colours: Black, Gray Features: Reusable stone paper pages, app connectivity (cloud flash storage), wipe to erase Eco Friendly: Replaces hundreds of