The present is a rotating gift featuring Counter-Strike: Source logos tied with a yellow bow. The gift appears only when a player dies. It can be collected by simply walking through it.
When an enemy player dies, a special sound will play.
It appeared as part of the Winter sale.
Originally appearing in the Valve's Gift Grab 2011 event, it did not reappear until after 16 June, 2017 update, where the achievement name was changed from Valve's Gift Grab 2011 to Gift Grab, and can be obtainable in any winter event.
The event occurred in other Valve games such as 'Day of Defeat: Source', 'Team Fortress 2' and 'Left 4 Dead 2' with minor differences (the gift had each game's respective logo).