Upgrade your shipping game with these premium 6x9-inch purple poly mailers. The strong self-sealing strip makes packing quick and secure, while the waterproof and moisture-proof design keeps contents safe during transit. These multipurpose mailing envelopes feature thick 2-mil material that prevents punctures and tears, eliminating the need for bulky shipping boxes. The durable construction provides reliable protection for your packages while maintaining confidentiality. Perfect for both business and personal use, these versatile black mailers offer professional presentation and strong protection in one convenient solution. The pack of 2000 mailers gives you plenty of supplies for all your shipping needs. Simply peel and fold over to seal - it's that easy to get your packages ready for their journey.