Cat nest doughnut fragrance, lasting for 365 days, cats healthy life without worry. It can be used in the pet room to make the owner's mood more pleasant and make the pet's life more healthy. It can also be used in the pet nest to send out fresh and pleasant fragrance, green fragrance and life without worry. It can also be used in the pet box with environmentally friendly and healthy materials, so that the pet and the owner can enjoy the fragrance life anytime and anywhere. This product can also be used in the pet life Museum, which can quickly and efficiently disperse fragrance and improve the living environment of pets.The design idea of this product comes from the delicious desserts. The fragrance is not pungent. We breathe healthily every day. Solid material, a set of four, selected cats use essential oil, lasting 365 days.This product has high-grade washable removable back glue, which can be stuck and removed for 1000 times without leaving glue marks.