#10 Heat Resistant Window Gummed Security Envelopes

Don’t put your printer at risk. Cellophane melts. Our #10 Heat Resistant Gummed Window Security envelopes can stand the heat! Take advantage of your Stamps.com account and give your business mail a clean professional look!

• Special heat resistant window does not melt when printing postage and/or return address using a laser printer
• The tinted pattern inside discourages reading sensitive information through the envelope
• Fully gummed closure provides a strong, dependable seal
• 24 lb. white wove paper provides clear crisp printing