Many handheld "inkless" printers use thermal paper rolls or folded sheets. Standard sizes for these are 8.5" x 11" (US Letter) or 8.3" x 11.7" (A4) .
Adhesive-backed for stickers, waterproof, smudge-proof, and tear-resistant. Alternatives: Compatible papers like Zink Pearl K100 Photo Paper also fit this model. 📏 Size Alternatives A77zip
Sometimes used as a workaround size for printers that don't natively support A7 dimensions. Other Potential Matches Many handheld "inkless" printers use thermal paper rolls
How small is A7? Standard A7 paper size is 74 mm x 105 mm - or 2.91” x 4.13”. A7 Format | A7 Paper Size & Uses | A-Series Paper - Adobe Alternatives: Compatible papers like Zink Pearl K100 Photo
🌟 Check if your device has a "Blue Smartsheet" in the paper pack. You must load this blue card face-down to calibrate the printer for the specific paper batch.
If you tell me the (e.g., Polaroid, Phomemo, or HP), I can find the exact product link and current prices for you. A7 Format | A7 Paper Size & Uses | A-Series Paper - Adobe
If you are looking for generic paper by its international dimensions (often confused with names like "A77"):