LASTS ALL YEAR. GUARANTEED!* Five Star Reinforced Filler Paper is double the strength of the leading competition, based upon independent lab testing of tension strength of Five Star Filler Paper against the leading Reinforced Filler Paper manufacturer. Compatible with the Five Star Study App, you can easily scan, study and organize notes on your phone! Create instant digital flashcards and sync notes to Google Drive and access them anywhere from any device. Each pack has 200 loose-leaf graph ruled sheets of heavyweight paper that fights ink bleed and provides a high-quality writing surface for your notes and homework. 4 squares per inch, ideal for graphing, charts and engineering projects. Durable, patented triangular holes turn easily along binder rings and strong reinforcement tape helps resist tearing from rings. Made with SFI® certified paper. Sheets measure 8-1/2" x 11". *Guarantee is valid for one year from purchase date. Does not cover misuse.