Made of pure poly plastic, the Zeal X Printed Poly Mailer Bag is built to be incredibly durable and resistant to punctures, tears and moisture. Explosion-proof edges and strong viscosity will help protect your items from loss.Our sealable poly shipping envelopes are quick and easy to seal, simply peel back the aluminum strip to expose the adhesive and then seal the mail in seconds. In addition, our adhesives are permanent and environmentally friendly, once mailing envelopes are sealed, they cannot be resealed and cannot be opened without significant damage to the mail bag, protecting your items from being switched and left out.Zeal X mailers plastic bags are professionally designed to help your customers differentiate your brand and provide them with a personalised experience, you contact us to customise your own mailers.