Our mailer envelope has a good stretch, lightweight, water-resistance, and puncture or tear-resistance, which provides more protection during delivery. A convenient peel and seal closure for tamper-resistant. A smooth surface makes handwriting/labeling easy. The fun color makes the package stand out and gives it a personal touch. More easily identify objects, leaving a deep impression on the receiver.

• 【Medium Size】 The outer size: is 8.5 x 12 inches; the inner size: is 8.5 x 12 inches; measures 0.4oz each, lightweight for lower mailing/shipping costs. Perfect for small business orders.
• 【Cushioning Bubble】 The lining is covered with thick bubbles to provide 360° cushioning protection, which effectively keeps valuable, fragile items intact.
  
• 【Extra Durability】 Exterior poly film has an excellent waterproof and tear-resistant feature and also reinforces sealing on the edge, making them not easily punctured and damaged.
  
• 【Self-Seal】 Opening adopts the adhesive tear strip for a tight, secure seal. It won't come apart unless torn up. Peel and stick make the packing process more convenient.
  
• 【30Pack Padded Mailers】 Bulk teal bubble envelopes are suitable for everyday packaging, such as CDs, jewelry, earrings, purses, makeup supplies, and more.