Ensure your post is correctly stamped according to its size with this Postal Charge Template from Helix.

With the standard sized slots of a letter and large letter in the ruler, simply push your letter through to see which size is best. Never get a charge for the wrong sized post again!

Perfect for using at home or at work in the posting room.

Product Information:
• Postage Charge Template
• Brand: Helix
• Measures: 35.5cm
• Letter sizer
• Pricing in proportion ruler 
• Office stationery