grams per SQM: 10g the minimum;
320cm in width maximum, can be cut to different widths;
around 40kgs per roll; 25cm diamter in package roll.

Nonwoven fabric is the cheaper and most environmental option for mattress making.
Low grams fabric of 10 to 20g is usually used in quilting of fabric, and high grams can be use in surface.
Many colors offered.