If you're looking for a Christmas tree stand or a Christmas tree storage bag, then Costco would definitely be worth checking out. Costco carries a couple of nice tree accessories such as tree stands and tree storage bags. These Christmas tree products are well made and very functional. Costco carries a wide range of Christmas and holiday products in good quality. No matter whether you're looking for an artificial Christmas tree, a garland or a wreath, or Christmas ornaments, you're sure to find something of interest since the selection is so wide.
Commercial Grade Christmas Tree Stand with Watering System
"Built to last, our sturdy Commercial-Grade Christmas Tree Stand accommodates trees up to 10’ tall with a 7” maximum diameter trunk. This stand features solid North American steel construction and weighs a substantial 18 lbs! It is also backed by a lifetime warranty."
Christmas Tree Storage Duffle Bag with Dolly
"This Christmas tree storage duffle bag and dolly is perfect for keeping your artificial tree in great shape after Christmas is over. Santa’s Bag Tree Dolly is the easiest Artificial Tree Storage Bag to use on the market."
These storage units can be found at costco.com