These acorn ornaments are made of material, so they are very safe to use. Don't worry about affecting your health. Simulated acorns are also very vivid, so they are used to decorating anything, you can decorate them wherever you want to decorate. Features -Color:Mixed Color -Material:Foam -Size:2.50X1.50X1.50cm/0.98X0.59X0.59in - Selected material, which makes these acorn ornaments not easy to deform or break. - Acorn ornament can DIY with Christmas theme and festival party atmosphere. Hanging them on wall, door, window, Christmas tree and other places. - Artificial Acorn Ornament can be used many times and is easy to clean. Products are not only in appearance, but also in quality. - There are enough simulated acorns for you to decorate your Xmas tree at the Xmas party. - Artificial Acorn is a good prop for photo , the pretty shape can make the photo more unique. Package list: simulation acorn