There is an air hole on the lids of the products to prevent air pressure and bad odors. When the water bottles are turned upside down, water can leak from this air hole. This is a normal situation. Since washing the water bottle lids in the dishwasher damages the lid of the product and prevents its use, the product lid must be washed separately and by hand. Suitable for ages 1 and up. Stainless steel bottle keeps drinks cool. It has an easy-to-grip silicone cover. It has a retractable lid. The flexible straw can be turned downward to keep it clean. The useful velcro holding strap attaches to everything. Holds 350 ml. Does not contain BPA, PVC, or Phthalate. Dimensions: 6.8 cm wide, 6.8 cm deep and 15.24 cm high. Compatible with our Spark Style collection. Separate the parts before washing. Do not freeze, microwave or boil. Production location: CHINA Features: There is an air hole on the lids of the products to prevent air pressure and bad odor. When the waterers are turned upside down, they can leak from this air hole. This is a normal situation. Since washing the water bottle covers in the dishwasher damages the cover of the product and prevents its use, the product cover MUST be washed separately and by hand. Suitable for ages 1 and up Stainless steel bottle keeps drinks cool It has an easy-grip silicone case It has a retractable lid. Flexible straw can be turned downwards to keep it clean Convenient velcro strap attaches to anything Takes 350ml BPA free, PVC free, Phthalate free Dimensions: 6.8 cm wide, 6.8 cm deep and 15.24 cm high Compatible with our Spark Style collection Separate the parts before washing. Do not freeze, microwave or boil Place of production: CHINA Place of production: Ã‡Ä°N