Total 420ml: Large compartment 390ml; Small compartment 30ml.

This Double-Walled Water Bottle with Filter offers ample space for your favorite beverages, making it ideal for staying hydrated throughout the day while maintaining a sleek, portable design.

Made of Borosilicate Glass, Food Grade PP+304Stainless Steel+Silicone Gel+Nylon, double layer, thicken rim and bottom, environmental and healthy, bring you a easeful life.

Portable leakproof sleeve, soft and comfortable touch feeling, convenient to take out. A perfect match with your bag,cloth.

Glass are thicken Leak-proof design, high borosilicate glass is pure manual blowing to make Heat; resistance and corrosion resistance are higher than the ordinary good choice for home work, and outdoor The.

Double-layer glass design, temperature resistant -20 ° C-120 ° C.