UltrAspire Soft Flask 150ml (for gels/nutrition) Running Product Description [Product Name] UltrAspire Soft Flask 150ml [Product Description] This is an UltrAspire soft flask that is perfect for active scenes such as trail running, marathons, and mountain climbing. It is especially ideal for holding gels and homemade nutrition (energy drinks, smoothies, etc.). Capacity: Approximately 150ml (with markings) [Features] Lightweight and compact: It can be collapsed as the contents decrease, reducing shaking and discomfort when running or moving. It has markings and uses safe materials such as BPA-free. Also great for storing small items! [Condition] I got into ultralight hiking and bought this, but I never used it and it was buried in my collection. There are no noticeable scratches or stains, and the condition is good. There are no signs of rubber tearing or deterioration. *Please understand that this is a used item before purchasing.