Specifications: Made of high-transparent material this baby bottle will not break in the temperature range of -20 degree Celsius to 600 degree Celsius which is durable to use without containing BPA. Bottle mouth can restore the softness of breast milk and let the baby have a feeling of breast milk which makes it easy to suck. Simulated breast design brings a sense of security as if it is given by mother which will not be broken even if baby pulls it constantly. Wide diameter makes it easy to brush fast and accurate scale allows you to see food intake. Silicone protective cover design can effectively prevent the bottle from falling on the ground which is also drop resistant. Air convection valve keeps the air pressure inside and outside the bottle consistent making it easier for babies to drink milk. Built-in gravity ball enable baby to suck milk when lying sitting crawling which is convenient and labor-saving. Item Name: Baby Bottle Material: Silicone PP Volume: 150ML/300ML Applicable Age: 0 Months Old and More/6 Months Old and More Features: Portable Double Handle with Straw Three-Purpose Notes: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Baby Bottle 1 x Bottle lid 1 x Strap