Are your Food Paper Bags Heat Seal?Can the Colour Be Red for the Bag?The Bags are for 15 and 20 KGS Powdered Spices.Paper on the Outside and Plastic Liner on the inside.Heat Sealer at the Top.You Provide FDA Approvials.What are the sizes that you currently Make.Are Samples Availabe for Testing?Thanks for your time and consideration.Country:Canada