Slate, plastic, French style, A4/BOX-20

Slate (individual writing board for students), A4 size (210 x 297mm) white high impact polystyrene sheeting, thickness 2mm, with rounded corners. Silk screen printed on both sides in cyan blue.
Suitable for use with HB pencil and eraser (made of natural or synthetic rubber); washable in water and sufficiently rigid for the student to be able to write with the slate resting on the knee.
Material: Colour white, matt finish (both sides), high impact polystyrene (HIPS) sheeting, thickness 2mm. 

Design and rulings: Silk screen printed in cyan blue on both sides.
Border (front and reverse sides): An 8mm border in cyan blue on all sides.
Reverse side: French-style "double-ligne" rulings (1 double line, height 5mm, followed by 2 sets of lines, height 8mm each, with additional right-slanting lines at 4cm intervals).
Front side: 1cm squares.