Abstract: A pre-formed gift wrapper dimensioned to gift wrap a box of predetermined standard size in a matter of seconds includes a bag-like sleeve of paper which in its operational shape accommodates snugly the box which is inserted into an open end thereof. Cardboard guide and support members are adhered to the inner side walls of the sleeve and reinforce same along the entire width and length of the walls to support the wrapper in its operational shape and continuously guide the box as it is inserted into the wrapper. These members as well as the paper sleeve are scored to enable the ends thereof to be folded flat against the end of the box to completely close the gift wrapper about the box so that it is gift wrapped. Also the paper sleeve is scored to allow folding of the support members to place the wrapper in a flattened condition for storage.