• Large Poly Mailers:2mil black 17.7x22 plastic shipping bags,strong enough for bulk packing, suitable for packing light and big products,such as clothes,bag,shoe box,big doll,slim blankets,down jacket,etc.
• Strong Adhesive Self Sealing Mailers:Each large mailing envelope contains a strong adhesive self-sealing strip. Prevents your items from being secretly replaced during transportation,simply peel and fold over to seal each package safely and securely
• Waterproof Mailing Envelope:Craft with premium material, no easy punctured and damaged. Design with reinforce sealing on the edge, Our mailers poly bags tear-resistant and waterproof. Even in foggy or rainy days, your parcel will safe for shipping
• Anti-peeping:Our packaging mailing bags adopt double-layer double-sided design, the inner gray coating can well protect your personal belongings and prevent leakage and peeping
• Perfect for Small Businesses: Envelopes bags,let you pack without extra package material, save you more time and mailing cost in packing, perfect choice for small and middle business. Metronic envelope mailers,hundreds of thousands customers choose, any help needed,please contact us at any time any date