--- product_id: 170413292 title: "I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue)" brand: "illistore" price: "269.19 DT" currency: TND in_stock: false category: "Kitchen" url: https://www.desertcart.tn/products/170413292-im-an-electrical-engineer-stainless-steel-vacuum-insulated-30-oz store_origin: TN region: Tunisia --- # I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue) **Brand:** illistore **Price:** 269.19 DT **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue) by illistore - **How much does it cost?** 269.19 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/170413292-im-an-electrical-engineer-stainless-steel-vacuum-insulated-30-oz) ## Best For - illistore enthusiasts ## Why This Product - Trusted illistore brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size:30 Ounce Vacuum Tumbler  |  Color:30 Ounce Vacuum Tumbler - Blue 30 OUNCE VACUUM TUMBLER - Holds 30 oz. of your favorite drink, keeping it cold or hot for longer. - Stainless steel construction will hold up on the lease, ranch, or worksite. - Double-wall vacuum insulation keeps cold drinks cold and hot drinks hot. - Powder coated then laser etched to reveal design 2X heat and cold retention compared to plastic tumblers. - Double wall vacuum insulation Tumbler maximum temperature retention & insulates hands from the cold Holds 30 Ounces 887ml Of Liquid, Can be used for both hot and cold liquids EASY TO CLEAN The large wide mouth of the tumbler is easy for cleaning. And it is absolutely not microwaveable. The lid is used to dust-proof, not for leak prevention. Obstal tumbler comes with a 100% Satisfaction Guarantee, if you have any problem about it, please contact us, we will respond to you ASAP! WALKING. RIDING. BOATING. WORKING. SLEEPING or LOAFING. No matter the activity, you want and deserve a tumbler that will keep your beverages hot or cold for hours. And that is what we wanted. So we tested the Nanook. First, we loaded it with ice, put the top on and let it sit. 24 hours later still plenty of ice. 48 hours later ice floating in water. It passed the test! Then we put in steaming hot water. 6 hours later still hot. 12 hours later still plenty hot. It passed the test! So you can rest assured that whether you are going on a long drive, blazing a new trail, working long hours or hitting the links, your beverage will maintain its temperature. We guarantee it. The double walled vacuum heavy duty construction insulates your drink against the elements. And the rubble-ringed secure –seal lid prevents spilling even if you drop it or knock it over. SATISFACTION GUARANTEED OR YOUR MONEY BACK. So Click the “Add to Cart” button now. The environment will thank you. ## Features - I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce, Engineer Husband 12 oz Stainless Steel Wine Tumbler, Electrical Engineer Wine Tumbler, Become An Engineer 20 oz Stainless Steel Tumbler, Gift For Dad Travel Mug, Dad Travel Mug, Engineer 12oz Tumbler, Mechanic 30 oz Stainless Steel Tumbler - Double Wall Vacuum Insulation: The coffee tumbler is double walled vacuum insulated. This technology keeps your beverage cold up to 12h or hot up to 12h. The double walled design prevents the exterior from sweating. - JUST THE RIGHT SIZE: Meets your morning coffee needs in one cup, all while keeping it piping hot or ice cold and fitting comfortable and conveniently in your hand or your vehicles' cup holders. It also fits under most soda fountains, so you can feel great while you help save the planet by using less throwaway styrofoam mugs. - DESIGN IN MIND: thinner design holds the same volume of liquid as other leading tumbler brands. Comfortable in the hand, the cup also fits snugly into your car's cup holders so you can keep two hands on the wheel. Additionally, Safety is top-of-mind, as the Tumblers are made out of non-toxic BPA-free plastics & 18/8 food-grade stainless steel. - HIGH QUALITY - This 30 oz. Stainless steel construction will hold up on the lease, ranch, or worksite. The imprinted design is printed on one side of the Vacuum Tumbler and guaranteed to last. We guarantee 100% Customer Satisfaction and stand by our products with confidence. Proudly Designed, Printed and Shipped from the USA. Novelty Vacuum Tumbler is a unique gift idea for any Coffee or tea lover ## Images ![I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue) - Image 1](https://m.media-amazon.com/images/I/41B6DnzstsL.jpg) ![I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue) - Image 2](https://m.media-amazon.com/images/I/51ARpyD2vZL.jpg) ![I'm An Electrical Engineer Stainless Steel Vacuum Insulated 30 oz Water & Coffee Cup Tumbler Travel Mug, Electrical Engineer Double Wall Stainless Steel Insulated Tumbler, 30-Ounce (30oz - Blue) - Image 3](https://m.media-amazon.com/images/I/51OJn7NMRdL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/170413292-im-an-electrical-engineer-stainless-steel-vacuum-insulated-30-oz](https://www.desertcart.tn/products/170413292-im-an-electrical-engineer-stainless-steel-vacuum-insulated-30-oz) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-10*