Sea To Summit X Mug Rechargeable the attached stoppers can be

the attached stoppers can be inserted for a Noise Reduction Rating (NRR) of 16 dB

You can buy the Nitecore NL1834 (NL189) 3400mAh protected 18650 rechargeable battery here at Going Gear

easy-to-use insulated bottle

Dimensions: 9

 Instead of an electronic lockout mode

Sea To Summit X Mug Rechargeable the attached stoppers can beThe X trio is complete! The X Mug is constructed from a flexible, European standard compliant, food grade silicone. A rigid ring within the rim keeps it sturdy to hold onto and easy to drink out of but still allows the mug to be collapsed to a disk that will fit in the palm of your hand! The X Mug fits neatly into the X Bowl and X Plate and altogether the collapsed set is less than an inch thick. Folds flat for compact packing Food grade flexible