Updated Periodic Table of Elements Shower Curtain. PVC Free, Odorless Non-Toxic Fabric. Polyester Most Updated New Version. The newly discovered elements 113, 115, 117, 118 has been added, with updated elements names and symbols. Measures 71 x 71 inches (180 x 180 cm) to fit standard size bathtubs. Reinforced rust proof metal grommets. Machine washable. Water repellent and mildew resistant polyester fabric. A cool gift for chemistry students. Geeky home decor.