This Science in Sport (SIS) Narrow Neck Drinks Bottle is the perfect way to stay hydrated on the go. It is made from a durable, BPA-free plastic and has a capacity of 800ml. The narrow neck design makes it easy to drink from and the leak-proof lid ensures that your drink stays inside the bottle. The bottle also features a handy carry loop for easy transportation. The bottle is suitable for both hot and cold drinks and is dishwasher safe for easy cleaning. It is also lightweight and compact, making it ideal for taking with you on your travels. The bottle is available in a range of stylish colours, so you can choose the one that best suits your style. This Science in Sport Narrow Neck Drinks Bottle is the perfect way to stay hydrated on the go. It is lightweight, durable and leak-proof, making it ideal for taking with you wherever you go.