Lavender, black tartary buckwheat, sorghum shell and flax are well filled. Lavender, tartary buckwheat, sorghum husk and flax are all good cushion materials, which can improve the comfort and safety of the interior environment. Car cushion is a kind of protective car cushion used to increase comfort, decoration and improve driving environment. Focus on solving all kinds of high temperature problems caused by cold car seats in winter and sun exposure in summer.