General description Our white padded envelopes are designed to offer exceptional protection for your valuable items during transit. Each envelope is lined with high-quality bubble padding, shielding items from impact or damage. Featuring a peel and seal closure, these envelopes are waterproof and lightweight, helping to reduce postal costs. Suitable for home, office, businesses, schools, etc., they provide a low-cost effective way to ship packages with confidence. The smooth outer surface allows for easy labeling and writing, while the sleek white exterior adds a touch of elegance and professionalism. These mailers are completely opaque, ensuring that contents remain private and secure at all times. Technical specifications Size: 20 x EP9 Internal dimensions: 290 x 445 mm Material: High-quality bubble padding Closure type: Peel and seal Waterproof: Yes Opaque: Yes