Periodic Table - EasyStudyTools Thick Plastic Elemental Chart - Extra Large Placemat or Wall Sign - All Ages Science Education Reference - Current Edition - 11.5 x 17.5 Waterproof Plastic TEACHING SCIENCE is FUN This X-LARGE Element Chart is The Perfect Reference For Homeschool Studies. ENCOURAGE SCIENCE Water/Spill Proof Plastic and NO-POINT Corners Make it a Great Choice For Any Age ENHANCED VISIBILITY Extra Bright Colors Make This Chart EASY-to-USE for Visually Impaired Students ACCURATE and UP-To-DATE Includes the Atomic Number, Symbol, Mass, and Full Name up to ELEMENT 118 THICK DURABLE 35MIL PLASTIC Thicker Than the Credit Card In Your Wallet. Won't Tear, Peel or Curl