where can i buy Muay Thai Heavy Bag

[rollinv4l]

I am just wondering I am looking to buy a Muay Thai Heavy Bag but i just cant seem to find one, all that i can seem to find is 1 muay thai bag they say at canadian tire but is only 70lbs and is 5.5 feet tall, I am looking for atleast a 6feet one and 100lbs bag, does anyone who sells these Muay Thai bags.

Thank you and take care:

Mark