Hybrid notebook features a unique, dynamic design to provide the flexibility to act like a notebook while working like a binder. TechLock rings let you quickly add or remove pages, & are flexible to prevent them from breaking or misaligning. Coated plastic covers fold back over the rings to lie flat on surfaces for easy note-taking. 1-1/2" rings hold up to 300 sheets of paper. NoteProtector dividers protect your important papers when stored. Notebook comes pre-filled with 30 quad-ruled sheets & 70 college-ruled sheets of letter-size paper.