... folding. Key characteristics1).Safe and non-toxic, 100% food grade silicone material with FDA and LFGB approvals.2).Good durability, pliability ... 4). Hardness: 30, 40, 50, 60, 70, 80 shores available.5). Flexible, lightweight and portable, easy to store and transport.6 ... have already had 9-year experience in producing various of silicone bakeware,kitchen tools,industry part etc,99% products are ...