Two year's supply (24) no-bleed BAS118 HeathKit ID-2090 MONTHLY Barograph Charts (24). Please note that charts need to be cut on the dotted lines as shown on the eBay images for these charts. Thank you for not leaving negative feedback which hurts my business and doesn't help you . If you have questions or concerns, please send a message and I will be happy to work with you. If you aren't sure if this chart will fit your instrument, send a message. I can design a new chart for any barograph.