Technical travertine stone

Dear Sir/ Mrs,
My name is ..., and i am representative of Bulgarian company ...,we met last year in Italy.
I want to make request for the following materials:
1. Technical stone in yellow, green, brown and black color
Dimensions 60/30/1.2 cm
2. Technical stone in yellow, green, brown and black color
dimensions 30/30/1.2 cm
We will need a price for 500 m2, for each color and size separately.
Also we will need Indicative Technical Specifications for the technical stone.

Traver