1).Safe and non-toxic,. 2).100% food grade silicone. 3).Good durability,pliability and not fragile. 4).Flexible, folding. Key characteristics1).Safe and non-toxic, 100% food grade silicone material with FDA and LFGB approvals.2).Good durability, pliability and not fragile, very durable.3). Anti-dust, anti-stain, non-stick, easy to clean.4). Hardness: 30, 40, 50, 60, 70, 80 shores available.5). ...