#6 50pcs 300x400mm Kraft Bubble Mailers 

Premium Padded Envelopes for Shipping Fragile Items with Ultimate Cushioning. These high-quality bubble mailers feature fully laminated Kraft paper and a strong, bubble-cushioned lining for extra protection. The seamless bottom and finned sides offer enhanced durability and strength, while the lightweight yet heavy-duty Kraft paper keeps shipping costs low. Easy self-seal design – simply peel and seal for a secure closure. Perfect for mailing fragile items with confidence, thanks to the extra-tough bubble lining inside!"