The Rocketbook core smart reusable spiral notebook provides the versatility of a traditional pen and paper notebook experience while instantly blasting your notes into the cloud using your smartphone for endless use. Using the pilot Frix ion pen your notes will stick to the pages like regular paper and with a drop of water erases like magic. We designed the core for those who want an endlessly reusable smart notebook to last for years. The pages are made with synthetic materials that provide a smooth writing experience. Blast your notes to popular cloud services like Google iCloud email and more using the free Rocketbook app. Digitally scan your notes to share with colleagues students and friends.