These Tyvek envelopes, measuring 10 x 13 inches, are designed for secure and reliable mailing. Made from durable DuPont Tyvek material, these mailers feature a cheese blade flap and a convenient Redi-Strip closure for quick sealing.

Each carton contains 100 envelopes, perfect for all your mailing needs.

• Durable DuPont Tyvek construction
• 10 x 13 inch size
• Cheese blade flap for easy access
• Redi-Strip closure for quick sealing
• 100 mailers per carton