·Transform Mason jars into a formula mixer/smoothie blender/coffee shaker with our revolutionary stirring lid (*Only match 32oz wide mouth mason jar lids, not included in the package)   

·Crafted with BPA-free plastic and a food-grade silicone seal, our mason jar pour spout lid provide dual protection against toxins and leaks. Pediatrician-recommended for sensitive babies' formula storage 

·360° Silicone sealing ring locks in freshness and prevents dripping when inverted. Extra-wide non-slip handle ensures secure grip during using. 【TIPS】For best results, add up to 24oz of water 

·Withstands -20℃ freezer storage to 100℃ steam sterilization. Seamlessly transitions from fridge to sterilizer for 24/7 baby food safety 

·Fully disassemblable design. All parts dishwasher-safe (top rack). No hidden crevices for milk residue