Elfinbook 2.0 Smart Reusable Erasable Notebook math A: According to a person\'s

A: According to a person\'s age and the severity of O / X-type legs

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Elfinbook 2.0 Smart Reusable Erasable Notebook math A: According to a person\'sWrite, erase, and reuse up to 500 times with the Elfinbook 2. 0 Smart Reusable Erasable Notebook. Simply microwave or use a damp cloth to wipe notes clean, then scan and save your pages to the cloud before erasing the smartest, most eco friendly notebook system you'll ever use. Available Sizes: A5 (100 pages) or B5 (60 pages) Features: Reusable stone paper, cloud storage integration (Elfinbook app), microwave to erase Eco Friendly: Replaces hundreds