Separate Wet and Dry Ingredients : Innovative two layer design : the bottom 19oz compartment holds yogurt/milk , while the top 12oz layer stores nuts/oatmeal . A mini sauce cup is also included Double Sealing : Upgraded double seal design with a silicone ring and screw on lid avoids liquid leakage even when inverted . No spills during refrigeration or transportation . Layered freshness is enhanced by 60% , keeping wet and dry ingredients in optimal condition . Remains as fresh as new after 24 hours of refrigeration Safe : Made of PP , it is more shatterproof than glass . Despite its lightweight body , it boasts a temperature resistance range of -20℃ to 120℃ . Microwave safe , dishwasher safe , and reusable without deformation , it balances safety and service life Wide Mouth Design : 9.5cm wide mouth opening avoids spills when adding ingredients and ensures easy scooping without stuck utensils . The dedicated spoon slot keeps the spoon from getting lost; the airtight lid with moderate tightness can be opened easily even after refrigeration Easy to Carry : Lightweight design for effortless portability . It can be easily slipped into your backpack for school , commuting , workouts , or weekend trips