Washington, Aug 22 : Hollywood actor Matthew McConaughey has announced that he will be auctioning off his custom-made Texas Longhorn bike for charity.

The 'How To lose a guy in 10 days' actor will also be auctioning two tickets to a University football game, autographed T-Shirts and two tickets to the premiere of his new flick 'Surfer Dude' and the opportunity to hang out with him afterwards for his own charity organisation, 'just keep livin', which promotes healthy lifestyles with kids.

"I encourage you to bid or put an item on there to support my foundation, McConaughey says, in the meantime, and all the time, thank you and just keep livin," US Magazine quoted Matthew, as saying.

Meanwhile, the actor is delighted with the birth of his son Levi, whom he had with girlfriend Camila Alves.

ANI