Camwear Camsquare - 4 Quart - by Cambro - 4SFSCW135 is made of clear unbreakable polycarbonate so you can see what's inside without removing the lid. Storage containers withstands temperatures between -40 degrees F to 210 degrees F, allowing use Camwear Camsquare - 4 quart - CAM-4SFSCW Home