Friendly storage, it can be transformed into a universal bottle such as a milk storage bottle, a complementary food tank, a snack tank...etc. Spiral lock leak-proof structure, excellent sealing of the bottle cap, no leakage and no smell. The accessories are completely disassembled, washed and cleaned most thoroughly, and can be sterilized by steam, water, and ultraviolet rays. Suitable for wide-mouth 200/270/360ml milk bottles. Material Washer: Silicone (-20℃~+120℃) Bottle cap: polypropylene (-20℃~+100℃) Applicable bottle type Wide mouth feeding bottle 200ml/270ml/360ml Origin Made in Taiwan