http://www.bigappleherp.com/Big-Appl...=2&category=28

http://www.boasandballs.com/supplies.html
well those were the two I have. The one from boasandballs you can get bigger bags up to 23 lbs not sure what shipping is. You could check with your local green house. Thats where I get mine if I cant find it at the loca walmart.