Kuke Collapsible Silicone Measuring Cups (4 Pcs Set) INDESTRUCTIBLE CONSTRUCTION - FDA approved silicone contains no BPA, can handle extreme high & low temperatures. and will never break. Collapsible Design: Saving space and easy to portable, perfect for hiking, camping, picnic, barbecues and etc Durable and Solid: Long life components are selected to assure a stable and distortion-free Temperature Range: High and low temperature resistance from -46F to 460F -40C to 230C) Easy to Use &Clean: Hand washable, dishwasher, oven, microwave and freezer safe