Whole Reed Mat sewn internally with natural Gava string. Certified by the Badatz Eidah Hachreidis of Yerushalayim.  
Various sizes available.
The world-renowned Kaynus schach mats are considered by many to be “the ultimate schach mat”. They are made out of natural reeds, sanctioned by Jewish law as an acceptable natural covering for the sukkah.
Durable, and can be used for many years!