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Delta Light Tumbler (2 Pack)

2 Tumblers light enough for the backcountry bartender

Delta Light Tumbler (2 Pack) has a rating of 5.0 stars based on 1 reviews.



Sea to Summit’s new DeltaLight™ Tumbler is a space-saving and safe alternative to glassware. Its unique ovalized shape makes it easy to store on its side—allowing them to nest inside our DeltaLight™ Bowls, Alpha™ and Sigma™ Pots.

With a generous 12 ounce/350ml capacity and handy volumetric measure that includes standard pours for shots and wine (you’re welcome), this outdoor tumbler is ideal for soda, beer, wine or mixed drinks. Made from tough and light BPA-free, food-grade transparent Tritan™, its fluted ribbed sidewalls provide a comfortable grip.

Dishwasher & Microwave Safe

Are the Delta Light Tumblers…?

  • Safe with hot drinks? Yes – the Tritan material would not be harmed even with boiling liquids. The tumblers are not insulated, however

  • Useable as measuring cups? Yes! They have molded-in volume measuring lines, clearly visible through the transparent sides. Check out our blog for recipes here.

  • Going to break easily? No! The Tritan material is strong and durable – the Tumblers will accompany you on trips for years to come.


  • Impact resistant and safe alternative to glassware
  • Made from tough, light and BPA-free Tritan™ co-polyester
  • BPA-free, food grade material
  • Unique ovalized shape, with two straight sidewalls, makes for excellent packability
  • Nests inside our DeltaLight™ Bowls, Alpha™ and Sigma Pots
  • Handy volumetric scale that includes shot and wine measurements
  • The 12 oz/350ml volume is ideal for serving beer, wine and sodas
  • Sold as set of two

Technical Features

BPA Free

These products are all Bisphenol-a (BPA) free, which means you can have peace of mind while eating and drinking from these products. BPA free means that they're a bit more environmentally friendly too!

Tech Specs

Product Details

Best Use
Backpacking, Camping, Overlanding
BPA free and food grade transparent Tritan
Impact resistant and safe alternative to glassware
3.75 in / 9.5 cm
3.25 in / 8.3 cm
12 oz / 350 ml
3.6 oz / 104 g


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