FITS FOR 12 OZ SUBLIMATION SIPPY CUP: The replacement lid only fits for the 12 oz sublimation sippy cup with inner diameter of 2.61-2.62 inch. It can be only used for 12 oz sublimation sippy cup. Please check the inside diameter of your cup carefully.
SCREW IN LID: Both the regular lid and sippy lid are screw lid not the push-in lid.
SAFE MATERIAL: The lid is made of AS plastic, so it's BPA-free and non-toxic. You can drink safely with the lid.
REGULAR LID: The silicone ring on the lid can seal cups tightly, and prevent spills.Leak-proof function.
SIPPY LID: Not leak-proof. Leak-proof requires a complete seal, but a fully sealed straw lid makes drinking difficult.
AFTER-SALES SERVICE: If you have any question, please feel free to contact with us. We're always here for you.