HASLE OUTFITTERS 20 oz Skinny Tumblers Bulk Set - Slim Insulated

In this review of the HASLE OUTFITTERS 20 oz Skinny Tumblers Bulk Set, the bottom line is simple: these slim, powder coated stainless steel tumblers are best for people who want a durable, cupholder-friendly insulated cup that keeps drinks at temperature for hours and offers strong day-to-day value. The set of 12 is particularly useful for families, small offices, or events where consistent, reusable drinkware is needed, and the main reason to buy is reliable thermal performance combined with a slim profile that fits most standard car cupholders.

Key Features

• Double wall vacuum insulation: Keeps ice from melting for up to 12h and maintains hot coffee warmth for about 6h, helping drinks stay at the desired temperature through the day.
• 304 stainless steel body: Food grade construction provides lifetime durability and a healthier alternative to plastic cups.
• Powder coated finish: Adds an anti-slip, comfortable grip and a clean look while resisting wear from frequent handling.
• Slim 20 oz design: The skinny profile fits most car cupholders and is easier to carry on walks or to events than wide tumblers.
• Electro-polished interior: Helps prevent flavor transfer so morning coffee and afternoon tea keep their intended taste.
• Reusable with lids: Each tumbler includes a lid to reduce spills and support travel use, making the set practical for outdoor and daily use.

Who It's For

These tumblers suit households, small workplaces, event planners, and anyone who wants a bulk set of consistent insulated cups that are slim and easy to store. The 12-pack format makes them a good fit for group settings where single purchases would be impractical.

Shoppers who prioritize ultra-premium lid engineering or who need fully guaranteed leak-proof performance in all orientations should look elsewhere or plan to replace lids, since several users report lid durability and leak issues despite strong thermal performance and build quality.

Pros & Cons

Pros

• Excellent temperature retention for both cold and hot drinks thanks to the vacuum insulated design.
• Durable 304 stainless steel construction and a comfortable powder coated finish that resists sweat.
• Slim 20 oz shape fits cupholders and is convenient for travel and events.
• Electro-polished interior reduces flavor transfer and keeps beverages tasting clean.

Cons

• Lid quality is inconsistent for some users, with reports of lids breaking or not proving fully leak-proof.
• Hand washing is recommended, so these may be less convenient for those who prefer dishwasher-safe drinkware.

Specifications

Capacity	20 oz
Material	304 food grade stainless steel
Insulation	Double wall vacuum insulated
Finish	Powder coated exterior
Set size	12 tumblers
Cleaning	Hand wash recommended; electro-polished interior

Our Verdict

The HASLE OUTFITTERS 20 oz Skinny Tumblers Bulk Set is a smart buy for groups that need reliable, slim insulated cups with strong thermal performance and a comfortable powder coated finish. They represent good value for events, families, and offices, but buyers should be aware of occasional lid durability and leak concerns and may consider spare lids if they plan heavy travel use.

Frequently Asked Questions

How long will drinks stay cold or hot?
Under normal conditions the tumbler can keep ice for up to about 12h and hold hot coffee warm for around 6h.

Are these tumblers dishwasher safe?
Hand washing is recommended to preserve the powder coating and the electro-polished interior; the manufacturer advises against dishwasher use.

Do the lids prevent leaks?
Lids help reduce spills during travel but some customers report lid breakage or imperfect leak-proof performance, so expect mixed results and consider spares.