It's beginning to look a lot like Wastemas
Wrapping paper. Need I say more?
Get some gift bags. People can reuse those. And reuse the ones given to you. I do it all the time. It's fun. You just keep them when someone gives you a gift...and soon enough you have a collection.
Think of it as a multi-purpose gift. You're giving someone a present...and you're giving the earth the gift of conservation. Yay!