These pendants are made of plastic 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:Assorted Color -Material:Plastic -Size:3.00X1.90X1.90cm/1.18X0.75X0.75in - Fine material with classic color will add more romantic atmosphere for your festival. - With classic acorn design, it can be hung on the Christmas tree, wall, furniture, window, door or just spread on the door. - Can be used as decor at home, office, store or any other places. You can put it anywhere you want to decorate it. - The acorns can easily add rustic charm to a table when filling a jar or bowl. - The size is appropriate, can easily decorate them without taking up space. Package list: Plastic Acorns