You don't need lines when you're mapping out a concept or sketching a diagram. But you also don't want to waste a side. Quartet Flex gives you two clean, plain A4 surfaces per board. Lightweight PET, built for repeated use without that flimsy-cardboard feel. Thirty in a pack keeps your classroom stocked without the constant reordering. Flip it, write on both sides, done
| brand | Quartet |
| material | PET |
| size | A4 |
| sides | Double-sided (plain / plain) |
| quantity_per_pack | 30 |
| use_case | Classroom presentation and learning |
| category | Presentation |