Originally Posted by gooselee

I think you can buy anywhere.

You also get a 20% off coupon in the D1 amenity kits, but that has to be used at a M+G store which I would assume is overpriced (as well as a $75 of $300 Tumi coupon if that's your thing, also only redeemable at Tumi stores - but that one I was able to use on a couple of Christmas gifts that were already on sale ^).