LASTS ALL YEAR. GUARANTEED! Guarantee is valid for one year from purchase or delivery date, whichever is longer. Does not cover misuse. 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. 1 subject notebook has 100 double-sided, college ruled sheets that fight ink bleed and are perforated for easy tear out. Sheets measure 8-1/2" x 11" when torn out. Tough pockets help prevent tears and hold 8-1/2" x 11" loose sheets and handouts. Covers are water resistant to protect your notes and our Spiral Lock wire helps prevent snags on clothes and backpacks. Made with SFI certified paper. Notebook is recyclable – just remove the reinforcement tape on the pocket and recycle the rest! 2 pack available in Pacific Blue and Fire Red.