100% Brazilian Virgin Unprocessed Straight Hair

I am interested in purchasing hair , specifically 100% Virgin Brazilian Human, Unprocessed Hair that is Straight/ Body wave.The following questions will need to be answered;

I AM LOOKING FOR THE PRICE RANGE OF 4 BUNDLES OF HAIR E.G 16,18,20,22 FOR 55-65USD
1) Will the hair be sent on wefts?
2) If it is in bundles, what weight is it, will it be 100g
3)What is the minimum order quantity
4) How long does shipping take to the UK London
5) What grade is you hair?

How much would 16 bundles in the colour 1B, natural Black, straight/body wave hair be

Please can you send a price list or quote?

Do you offer free sample or what would be the charges of the sample?

I am looking for a supplier that sells good quality hair and one that I can develop a good business relationship with as I will be buying in bulk frequently.