Allergen?Free CamSquares Designate Allergen-Free ingredients using CamSquare food storage containers. These personalized containers include easy-to-identify purple graduations and an Allergen?Free imprint on the opposite side. Reduce the risk of cross-contamination by transferring product out of cardboard Smooth surfaces for easy cleaning Texturing on the bottom of boxes reduces scratching Made of crystal clear, virtually unbreakable Camwear polycarbonate Withstands temperatures from -40&degF - 210&degF (-40&degC - 99&degC) Lid sols separately Warranty 1 year