Item Type: Periodic Table Of Elements_x000D_ Material: Acrylic 1Acrylic Material: The true periodic table uses acrylic, which is safe, odorless, good in storage and durable. 2Versatile: It can be placed in the classroom to stimulate students' interest in chemistry, or it can be placed in the laboratory, a practical tool. 3Gifts: The Periodic Table of Chemical Elements is the perfect gift for teachers, students, kids and science lovers. 4Light Transmitting: The periodic table is made of acrylic with high light transmittance and low haze, so you can see the elements very clearly. 5Note: Keep it clean with a cloth every time you touch it to avoid fingerprints.1 x Periodic Table Of ElementsPlease note that the type and old type of this product will be sent randomly, and make sure you will not mind before ordering.