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Midnight Plum
Midnight Plum

This product is no longer available, but don't go just yet.


  • Double-wall vacuum construction is made with premium stainless steel that is BPA free; double-wall construction keeps drinks hot or cold for hours
  • Easy-access flip top and a push-button thermal stopper let you grab a quick drink while on the go
  • Food-grade plastic sipping collar is shaped so liquids flow easily from mug to mouth
  • Hand wash; do not microwave
  • The REI Flip-Top vacuum bottle holds 20 fl. oz.


View all REI Camping Mugs

REI membership


Best Use Travel, Camping
Liquid Capacity (L) 0.6 liter
Liquid Capacity (fl. oz.) 20 fluid ounces
Insulated Yes
Material(s) Stainless steel
Dimensions 3.1 x 10.5 inches
BPA Free Yes
Weight 14.3 ounces

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more