Approximately 80 sheets included. These are the remaining sheets after some have been used. While I haven't confirmed any stains on the sheets themselves, please understand that they are not new. A4 size labels recommended for FBA, 100 sheets per pack, compatible with inkjet and laser printers. - Brand: ELECOM - Model Name: EDT-FBA2100 - Size: A4 - Label Size: 66 x 33.9mm - Application: Usable with inkjet printers, laser printers, and copiers - Features: FBA recommended label size