its an envelope
An envelope is a flat paper container used for sending letters or thin packages through the mail. It typically has a flap that can be sealed to protect the contents inside.
enveleope
envelope
it is a envelope.
an envelope :)
envelope
envelope
Envelope
bums
Envelope
Flat rate shipping pricing varies by the size of the container one would ship the an item in. The price ranges from $5.05 for a small envelope to $16.85 for a large box.
As flat as paper, if you want
The noun meaning "a flat container for a letter" is spelt envelope. The verb meaning "to enclose or enfold" is spelt envelop.
Cartographers an represent the spherical Earth on flat paper by making a projection, which is like casting shadows from the spherical world onto a flat piece of paper.