Pakistani company request to buy Pumice stone

Dear sirs,

Hope you are doing well. We need pumic stone for textile customers as below:
Pumice stone - 2-3cm, 2-4cm or 3-5cm - garments & denim washing
Please inform cnfc2% karachi port prices and also inform packing details.
Please note that we are in contact with all the pumice stone buyers in pakistan and we can bring good sales to your company.
Waiting for your soonest possible reply with prices, details and technical data sheets.
Sincere regards