When pesticides are used to kill mosquitoes, flies and other sanitary pests, they should generally be sprayed on the parts where pests or pests stay (or inhabit), and should not be sprayed on human body, food, tableware, bedding (including quilts) and other places that may endanger human health.
However, in practice, it is inevitable that a very small amount of pesticide mist particles will be scattered on the quilt, which can be ignored.