I researched them as well but ended up reading information on how to measure geotextiles. But this may be come in handy for you.
NOTE: Measurements depend on the type of the fabric
COIR MATTING
Roll size 2 x 25m
Area covered 50m2
Thickness Light: 4.27mm Medium: 7.97mm Heavy: 9.12mm
Flow velocity Light: 2.5m/sec Medium: 3m/sec Heavy: 4.7m/sec
Tensile strength Light: 1208 x 690kg/m Medium: 1608 x 746kg/m Heavy: 2450 x 990kg/m
Weight Light: 400gsm Medium: 620gsm Heavy: 900gsm
Density material Light: 62% Medium: 57% Heavy: 41%
JUTE MATTING
Fine Weight 2m x 50m(280gsm)
Medium Weight 1.83m x 25m(750-800gsm)Slitted or non-slitted
Heavy Weight 1.83m x 25m(1300gsm)
Mats 370mm x 370mm (750-800gsm)
Mats 600mm x 600mm (750-800gsm)
You can view what it will look like when installed on a land site:
Case Study on Geotextiles