Locking Tag – Large (TLP16-25) HELIXTAGS » Products Page » Product Category » Locking Tag - Large (TLP16-25) Size#16, 300 tags per pack of 25 sheets Fits volumetric flasks such as 200-mL and 250-mL sizes with #16 stopper. There are 12 tags per sheet for total of 300 tags per pack of 25 sheets. Quantity Price: $50.00 Updating cart...