Ergonomic design and wide neck for ease of use and cleaning. Made of high quality borosilicate glass. Ultra soft high quality silicone nipple. \ \ • soft and familiar feel \ \ • anti-colic valve \ \ • orthodontic design \ \ use: \ \ prepare baby food as recommended by the manufacturer. Carefully inspect the nipple before each use. Pull the nipple in all directions and replace it immediately at the first sign of wear. If the nipple is broken or has bite marks, is stuck or has changed shape, it is an indication that pieces may come off and there is a risk of swallowing and choking! Do not expose the nipple directly to the sun or other heat source and do not leave it in a sterilizing solution for longer than the recommended time, as its function may be affected. \ \ after approximately 2 months of use, replace the nipple for hygiene and safety reasons. carefully check the bottle before each use for scratches or breaks, which may create openings in the bottle with a risk of injury from the high temperature of the bottle contents. heating in the microwave is not recommended, as uneven heating poses a risk of burns when drinking. do not use the body of the bottle to feed the baby directly and do not use the bottle to store high-temperature baby food. check the temperature of the milk before feeding the baby. prolonged contact with fluids containing sugar (e.g. sugared tea or juices) may cause tooth decay. glass bottles are environmentally friendly. glass bottles are however fragile and should not be used by infants and young children without supervision, as there is a risk of injury due to breakage. \ \ cleaning: \ \ before first use, disassemble the bottle and place its parts in boiling water for 5 minutes. This ensures absolute hygiene. before each subsequent use, clean the product thoroughly to ensure optimal hygiene conditions. thoroughly clean the bottle, nipple and other accessories with lukewarm running water and dishwashing detergent and sterilize them regularly, e.g. by boiling them for up to 3 minutes. do not sterilize in the microwave \