Onslaught cannot be applied to mattresses, bedding, or furniture at all.
All of the professional liquid products we sell, including Onslaught, come in a concentrate form. You need to mix the product with water, usually in a one gallon hand pump sprayer. Please refer to the product label for more detailed application instructions. Onslaught is mixed at 0.5-1 fl oz per gallon of water per 1,000 sq ft.
Onslaught is the only product that we have that is labeled for mites in general and is safe when used as directed. Children should be out of the area while you are doing the treatment until it dries, typically 30 mins to an hour. Below is our advice on mites: