The Humangear GoPouch in medium is a reusable, flexible, and leakproof silicone storage pouch. The medium size measures 8" x 6.5" x 1.4" and can hold up to 800 ml or 3.5 cups. The small size holds a maximum of 400 ml or 1.5 cups. 

Features:

• Rigid flex-frame allows pouch to stay open
• SlideLock sealing rail creates quick, leaktight seal
• No more fussing with pinch-type seals or wondering if the entire seal is closed
• Smooth interior surface wipes clean with no nooks and crannies
• Flat base allows pouch to stand up
• FDA food safe material
• BPA-free, PC-free, and phthalate-free