Rocketry Obsessed Tumbler Gift For The Hobby Addict Insulated 20 Oz Cup With Lid Black Stainless Steel Keeps Your Coffee Hot Or Cold All Day With A Hilarious Quote

Black 20 Oz Insulated Tumbler for Rocketry Hobby Fans
✔️ 20 Oz Vacuum Insulated Stainless Steel Keeps Hot And Cold All Day

This insulated tumbler is handy for keeping coffee hot or cold during hobby time or on the go.

✅ 20 oz capacity holds your favorite drinks
✅ Stainless steel body with powder coating finish
✅ Comes with lid and printed in the USA

💡 How does vacuum insulation work in tumblers? Vacuum insulation creates a barrier that reduces heat transfer effectively. - Stainless steel walls trap a vacuum layer between them - This setup works well for both hot and cold beverages - Great for long days out at the launch site or workshop

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