BT21 Glass Bottle Borosilicate glass bottle, with bamboo wood stopper. It measures 23.5 cm high and 7 cm in diameter and offers a capacity of 500 ml. Includes neoprene cover with handle. Suggested age suitability 3 years and upwards.EU Warning: Not suitable for children under the age of 3 years due to small parts which could cause a choking hazard.