[TRAVEL TO GO TUMBLER] Easy to get a smooth cold brew concentrate with more caffeine and 60% less acidic than traditional hot coffee. The portable cold brew coffee maker has a flavor-locking lid to seal flavor and keep your drink fresh, great to brew & drink a delicious cold brew drink any time ! [ FREE MATERIAL] The bottle is made of food grade PP material, extremely and light weight. Do not worry about breaking during outdoor use. Do not dishwasher safe. [AIRTIGHT LID & SILICONE HANDLE] The sealed leak proof cover effectively seal taste after brewing. channel for coffee pouring and soft silicone handle are portable to take out for camping, business trip or daily home use. [DETACHABLE MESH & SPOUT] Fine filter mesh almost full contact between the coffee powder and the water to extract the flavor of the coffee, no residue leakage. The detachable filter mesh is simple to use and easy to clean. [PORTABLE DESIGN] Easily make smooth cold brew with any type of coffee grounds. Simply add coffee grounds, pour water, brew overnight and enjoy. Clear scale for control the ratio. Max capacity is around 450ml/15oz. Colour:White Material:Plastic+Silicone Size:About 7x14.5cm Package Contents: 1 * Coffee cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.