40oz Stainless Steel Tumbler With Handle Lid And Straw Black Dope Engineer Gift For Men And Women Double Wall Insulation Keeps Drinks Hot Or Cold Ideal For Civil Chemical Aerospace Pros Mentors On Birthday Or Christmas

Single 40oz Double-Wall Stainless Tumbler with Handle Gift
✔️ 40 oz capacity, 18/8 steel, double-wall insulation, splash lid

This 40 oz stainless steel tumbler with a comfortable handle and straw is built for everyday use indoors or outdoors. Its double-wall vacuum insulation keeps drinks cold for up to 9 hours and hot for up to 3 hours, making it a handy gift for engineers, mentors, students, or anyone who loves a solid tumbler. Color: Black. Gift box ready for holidays and milestones.

✅ 40 oz capacity keeps you fueled all day
✅ 18/8 (304) stainless steel construction for durability
✅ Double-wall vacuum insulation keeps hot for 3 hours and cold for 9 hours
✅ Splash-proof lid with rubber gasket and flip closure
✅ Includes stainless steel straw and cleaning brush

💡 What is a double-wall insulated stainless steel tumbler used for in daily life?

This handy product helps keep beverages at the right temperature during commutes, work, and outdoor adventures.

- temperature retention: hot up to 3 hours and cold up to 9 hours
- handy for commuting, office, gym, and outdoor trips
- durable, 18/8 stainless steel with leakproof lid and included straw