Locking Tag – Medium (TLP13-25) HELIXTAGS » Products Page » Tags » Locking Tag - Printable Sheet » Locking Tag - Medium (TLP13-25) Size#13 300 tags per pack of 25 sheets Fits volumetric flasks such as 50-mL and 100-mL sizes with #13 stopper. There are 12 tags per sheet for total of 300 tags per pack of 25 sheets. Quantity Price: $50.00 Updating cart... Updating...