The Table top overlays are printed onto a semi rigid plastic sheet which are stiff enough to prop in front of any whiteboard or Big Book stand. They are also ideal for hand holding in front of the class or hanging onto a wall. The glossy surface will accept the majority of dry wipe marker pens and are designed for being overwritten in this way. Purchasing the full range is the most economical way to buy them and consists of the designs listed below. Sizes : 720mm high 635mm wide Clear code TT35, Hundred Square code TT38, Ninety Nine Square code TT74, Grid Square code TT39, Multiplication Square code TT75, Graph Square code TT73, Function Factory code TT68, Thermometers code TT252, Big Dial code TT253, Clocks code TT41, Shapes code TT40, Purse & Money code TT159. Counting Lines code TT66, Dots code TT160, Dots Plus code 161, Street Scene code TT254, Lines code TT36, Alphabet & Lines code TT65, Hand & Eye Coordination code TT255, A-M Letter Forming code TT256, N-Z Letter Forming code TT256c, Find the Letter code TT257, Map of Europe code TT259, Map of United Kingdom TT260, Calendar code TT69, Venn Diagram code TT261, Practice Lines code TT262. ALSO AVAILABLE: Individually or as literacy and numeracy packs