Crafted from professional-grade liquid silicone, these containers transcend the limitations of rigid glass and conventional plastic. Their exceptional flexibility resists cracking and breaking while maintaining structural integrity through countless uses. Constructed BPA- and engineered to withstand extreme temperatures from -40°F to 446°F, they perform ly in the microwave, zer, and dishwasher. The transparent walls feature crystal-clear oz and ml measurement markings—essential for precise ingredient portioning and consistent meal-prep portions.