πŸ“¬ 3M Center Stationery and Office Supplies Division πŸ–Š sent us a Free sample of Post-it Flex Write Surface πŸ“ The best choice πŸ†Using a permanent marker on it γ€½and ink comes right off with water πŸ’¦Thank you very much #3MCenter and #PostiT Brand πŸŽ‰