Aladdin Essential Vacuum Tumbler 0.35ltr:

Ideal for Hydration on the move - take Water, Tea, Coffee, Hot Chocolate, or anything else you fancy while, Camping, Fishing, Bird Watching, Walking, Trekking or on Exercise.  Can be tucked in your Rucksack, Backpack or Bergan, to be taken with you on the Beach, Hill, Mountain, Exercise, or anywhere else you wish to go!  Has a Leakproof Lid and Stainless Steel Vacuum Insulation with a 10 year Guarantee for normal use. Has a Black Matt Finish.