Lab test: B&B Organics procure their products from certified farmers, B&B Organics periodically lab test their organic products to maintain its high quality and to prevent contamination. This turmeric powder is from the house of B&B Organics. It is organic and has shelf life up to 12 months. It comes in a heat sealed container. This package contains 300 grams of turmeric powder. Less shipping price: If you would like to order more with less shipping price, then please select high quantity products. For example: If you would like to buy 5 kg of dal, then please don't order 5 x 1 kg, just select 5 kg dal directly. We have products in different quantities so always select high quantity products because our shipping price is same for 1, 2, 5, 10 and 15 kg. For example, if the shipping price for 1 kg dal is 100 And if you increase the quantity to 15 then the shipping price will be 1500 (15X100), but if you select 15kg product directly then the shipping price is just 100 Only. So please always select high quantity if you would like to pay less transport price.