LASTS ALL YEAR. GUARANTEED!* Scan, study and organize your notes with the Five Star App. Create instant flashcards and sync your notes to Google Drive to access them anywhere from any device. Five Star Reinforced Filler Paper is double the strength of competition† and durable enough to last all year. Each pack has 80 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. Our patented triangle-shaped holes are more durable and turn easily along binder rings. Strong reinforcement tape resists 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. Go to fivestarbuiltstrong.com for details. †Based upon independent lab testing of tension strength of Five Star against leading Reinforced Filler Paper manufacturers.