Member's Mark

Member's Mark 20oz Leak-Proof Coffee Tumbler with Non-Slip Base

|46 ratings
Item # 990507570
Current price is $19.98
Prices may vary in club and online
Member's Mark 20oz Leak-Proof Coffee Tumbler with Non-Slip BaseMember s Mark 20oz Leak Proof Coffee Tumbler with Non Slip BaseMember s Mark 20oz Leak Proof Coffee Tumbler with Non Slip BaseMember s Mark 20oz Leak Proof Coffee Tumbler with Non Slip BaseMember s Mark 20oz Leak Proof Coffee Tumbler with Non Slip Base
Actual ColorGreen / Blue
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Highlights

  • Magnetic slider for smooth opening and closing
  • Removable magnetic component for easy cleaning
  • Leak-proof lid and cup holder friendly design
  • Top rack dishwasher safe and double-wall insulated
  • BPA-free, phthalate-free, and lead-free materials
  • Non-slip bottom prevents tabletop scratches
Member's Mark 20oz Leak-Proof Coffee Tumbler with Non-Slip Base
Member's Mark 20oz Leak-Proof Coffee Tumbler with Non-Slip Base
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About this item

Product details

Durable Stainless Steel Construction

The Member's Mark 20oz Coffee Tumbler 2-Pack is crafted with sleek and durable stainless steel, ensuring long-lasting performance. Designed with double-wall vacuum insulation, these tumblers maintain your beverages at the ideal temperature for hours, whether you're enjoying a hot latte in the morning or sipping cold water in the afternoon.

Innovative Magnetic Slide Lid

This tumbler set features an advanced magnetic slide lid that is engineered to be leak-proof. The lid provides a secure and airtight seal, preventing accidental spills during your commute. The magnetic slider moves smoothly for effortless sipping and snaps firmly into place to ensure no liquid escapes.

Convenient and Travel-Friendly Design

Built for convenience, the exterior of the tumblers remains sweat-proof and cool to the touch. The base is designed to fit most standard vehicle cup holders, making it perfect for on-the-go hydration. This 2-pack set is an excellent value for households or as a thoughtful gift for friends and colleagues.

Easy Cleaning and Maintenance

Cleaning the Member's Mark 20oz Coffee Tumbler is simple and hassle-free. The magnetic slider is completely removable, allowing for thorough washing without hidden residue. Both the stainless steel body and lid components are safe for the top rack of your dishwasher, ensuring effortless maintenance.

Frequently Asked Questions

  • Is the lid on this tumbler leak-proof? Yes, the magnetic slider creates a tight seal that prevents leaks, making it safe to carry in various environments without worrying about messes.
  • How do I maintain the magnetic slider? The magnetic slider can be easily popped off for a deep clean. For best results, place the lid and slider on the top rack of your dishwasher or wash them by hand with warm, soapy water.
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Specifications

Size: 20 oz capacity per tumbler   

Insulation: Double-wall vacuum insulation with copper lining   

Lid Type: Magnetic slider lid with secure, easy-close seal   

Leak Resistance: Leak-resistant design for confident carrying   

Base: Soft-touch, non-slip base for quiet, stable placement   

Material: High-grade 18/8 stainless steel   

Safety: BPA-free, phthalate-free, and lead-free components   

Set Includes: Two 20 oz tumblers   

Dishwasher Safe: Top-rack dishwasher safe (hand wash recommended for best finish care)   

Microwave/Oven Safe: Not microwave or oven safe   

Beverage Compatibility: Suitable for both hot and cold beverages   

Care Instructions: Wash before first use and avoid abrasive cleaners to protect the finish

Member ratings & reviews

4.9 out of 5 stars
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46 ratings40 reviews
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  1. 5 stars91% (42)
  2. 4 stars7% (3)
  3. 3 stars2% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 40 reviews

Jul 28, 2026
Reviewer name: DavidM
5 out of 5 stars
5 out of 5 stars review

Keeps coffee warm and seal does not leak.

Vacuum seal does not leak! These are my goto coffee and water tumblers. I have Parkinson's and it makes me Sir Drops a Lot. I love that the seals stay sealed. Both cups are full of water. One cup upright and the other upside down. No leaks onto the counter.

Helpful?0TZ1S8KL899I20010008529
Jun 24, 2026
Reviewer name: MindaM
5 out of 5 stars
5 out of 5 stars review

Keeps Beverages Hot or Cold for Hours

These Member's Mark 20 oz. coffee tumblers are great quality! They hold a good amount of liquid, and they keep beverages hot or cold for hours. The sliding tab design is smooth and very easy to open or close as needed. Everything is dishwasher safe, which makes cleaning quick and simple. I like the weight they have, they feel sturdy but not too heavy or bulky. The solid color design is simple and clean, which I appreciate. I definitely recommend them, whether you're looking for something to hold your morning coffee or keep your water cold through the day.

Helpful?0TZ1S8KL899I20010008529
Jun 17, 2026
Reviewer name: RachelV
5 out of 5 stars
5 out of 5 stars review

20oz Coffee Tumblers Great Addition to any home

This 2 pack of coffee tumblers are a great addition to any household. I love that the lids are interchangeable to give an offset look or make them match completely. They are completely dishwasher safe which makes cleaning easy. The slider and silicon rings on the lid are removable so you can really deep clean and not have to worry about mold. Fits in most any cupholder. Absolutely love these!

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