Judo mats for sale. Judokaa has a large stock of the old Judo Ontario mats bought a few years ago. These mats are the real deal and will last forever under hard training conditions. Judokaa has a stockpile of green and red mats for sale at a great price. 1 meter by 2 meters they cover a large area fast. No requirement for a subfloor they are designed with a non-slip backing.