Yes, Chef Xue's bracelet is made of sea willow. The scientific name of sea willow is black coral. Because of its dendritic growth, slender branches, flexible texture and similar shape to willow trees on land, it is named sea willow. It is true that Chef Xue's bracelets are dehumidified and discolored. Made of selected natural materials, it can effectively remove the influence of humid climate on indoor air, thus achieving the purpose of purifying indoor air.