Tatami mat
A Japanese sleeping mat is called a futon. A futon sits upon a woven mat called a tatami. These types of beds have been used for thousands of years of Japanese history.
Japanese straw mats are called 畳 (tatami) in Japanese. The pronunciation is somewhat like "tah-tah-me".
Floor mats in traditional Japanese homes are called Tatami Mats.
If you are referring to the rice mats they use in the floor, it's tatami (畳)
In japan, mat is Tatami and we just call it Judo Tatami.
tatami
A Japanese floor mat is called a tatami. It is made from woven straw and is often used as flooring in traditional Japanese homes. Tatami mats are known for their natural and organic feel, as well as their soft cushioning underfoot.
Futon (small pullout bed), or a Mat.
Matt is written in Japanese as マット (matto). You would pronounce it like 'mat-toe'.
It is referred to as a bamboo sushi mat. They are typically wrapped in plastic for sanitary reasons. They help the sushi chef form a nice round roll for the presentation, but they can use it to make different shapes such as tear drops. You can buy them online at: http://www.homesushibar.com/kitchen-knives-tools/sushi-tools/
a gauze mat