Fondant Cake Arc Ruler Decorating Graduated Scale Cake Baking Measure pastry art Tools swag Marker Dividing Set Garland sugarcraft gum paste sugar candy decor It's made of great quality plastic, there is cheaper ones in the market, it's very thin and ugly made. we have compared them, ours is smooth and 2mm thicker. size of arc border:(L)x(W) 35.5X1.7cm/13.98"X0.67"(appr.); size of cake marker ruler:(L)x(W) 17.5X4.1cm/6.89"X1.61"(appr.) easy to clean and do not harm for people. Have good flexibility,you can stretch it to adjust radian according your needs. Package included: 1 set Cake Marker(include a ruler and an arc border), Adjusts to 14 preset widths and varying depths to easily mark garlands on cake sides. This Cake Decorating Supplies is Perfect for household,cake shop,coffee shop,restaurant,etc. Suitable for marking on the sides of your cake to place decorative elements. Have good flexibility,you can stretch it to adjust radian according your needs.