These Reusable  Bamboo Cloth Sanitary ECO Pads come in three different sizes, to suit your needs.  They range from light, medium and heavy.  the material used to make them is Polyester + fiber + bamboo charcoal.  Designed for complete comfort and reusable when washed.

Pattern in picture.
 
There are three Approx sizes:
 
Large - for Heavy flow L Length*Width: 31*8 cm
Medium - for Medium flow M Length*Width : 25 * 7 cm;
Small - Light flow S: Length*Width : 20*6.5cm;