【SIZE AND COLOUR】: Extra Large: 370*250*5mm(14.6'' x 10.43'' x 0.2") Weight:550g ;Mini: 230*180*4mm( 9.1”x7.1”x0.16“)”, Weight:190g. set of 5 modern colours coded high thick silicone cutting boards. 【FOOD GRADE SILICONE】：Made of food grade silicone,Baby pacifier safety level; Stain-proof, stick-resistant, will never tarnish or discolor; Meticulously designed to serve you for years and years or even more; It is safe from any chemical substances and their reactions. 【HEALTHY &SAFE】: Certificated food safe Food-Grade Silicone. Heat resistant -40°F to 482°F(-40°C to 250°C) ,our silicone cutting boards and mats made from premium quality silicone is non-slip, heat proof and dishwasher safe. 【THICK AND FLEXIBLE DESIGN】: Non-Stick & Non-Toxin Flexible Silicone Cutting boards, flexibility and durability allows for easy transfer from chopping to bowl and makes sure that you won't cut through our cutting boards and that they will not wear out as quickly or easily as the others. 【WIDE RANGE OF USE】: Could be used in Microware, Oven, Freezer, Steamer, Dishwasher and Super Heat Insulation.And provide convenience and improve the efficiency of kitchen work also outdoors, such as travel, camping, hiking, fishing, beach, drip ez, picnic, barbecue. 【CUTTING MARK INSTRUCTION】: Cutting boards of any material will leave knife marks, because all knives are very sharp. The difference between silicone cutting baords of plastic and wooden is that It is not easy to breed harmful things in the scratches of silicone material and no sawdust residue when you cutting ingredient. Large + Mini Silicone Cutting Boards-Red