【Bigger Than Bigger】These pack of 50 pieces 24 x 24 inch poly mailer envelopes bags give you more than enough space to deliver such as jackest,coats,jeans,pillow,mini quilt.

【Absolute confidentiality】Hot melt adhesive strip,strong viscosity,once bonded,can only be destructive to open it,improve your package security. These poly mailers were white outer surface, black inner lining, so it looks like light grey color not a true bright white.

【Durable Protection】Made by five layers membrane，can be streched 3 times longer than normal，keep your product in good condition.

【Waterproof Bags】Waterproof keeps the Gifts as good as new even if they get left out cold in the rain.

【Save Your Time And Shipping Cost】These shipping envelopes are 2 mil thickness for shipping soft-goods, and they are light enough to safe you some money on weight for shipping.