5PCS Erasable Pen Refills for Paper Screen Sync Smart Notebook Wet Heat Erase Replacement Pen Refills

Feature: 1. Erasable Pen Refills: These refills feature an erasable design. Users can write with this pen refill and then erase the notes using a specific erasing method, facilitating the reuse of smart notebook 2. Replacement Parts: The pen refills size is 3.5mm x 102mm and are suitable for smart writing pen (not included). They can be served to replace depleted or damaged refills, ensuring smoother writing 3. Portable and Practical: These erasable pen refills are convenient to carry around, making them suitable for students, business professionals, and anyone who needs to write down ideas on the go 4. Long Lasting Use: These erasable pen refills help reduce paper waste by allowing you to reuse your smart notebook and pen (both not included), thereby extending their service life 5. Convenient Usage: This set includes 5 pieces erasable replacement refills that are suitable for either wet or heat erasing, catering to your needs in various writing or drawing scenarios Specification: Item Type: Erasable Pen Refill Erasing Effect: The repeated writing place can be erasing 300 times Pen Refill Size: Approx. 3.5 x 102mm 0.14 x 4in Material: Plastic Application Type: Paper Screen Sync Smart Notebook Weight: Approx. 6g 0.21oz. Package List: 5 x Pen Refills Note: The size is 3.5mm x 102mm. Please use a smart pen compatible with it