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  • DuraTuff treatment increases resistance to thermal and mechanical shock
  • Features a unique paneled design
  • Ideal for restaurants, bars, hotels, and lounges
  • Crystal-clear clarity enhances presentation
  • Great for serving signature cocktails
  • Includes a thick sham for increased stability
  • Perfectly balanced to rest on trays, tabletops, and counters

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Bring style and classic elegance to your table with this Libbey 15248 Gibraltar 4.5 oz. rocks glass!

Featuring a traditional look, this glass is ideal for serving cocktails and spirits on the rocks. Thanks to a special thermal after-process applied to the top portion of the glass, you can rest assured that it has exceptional durability to match its looks! This DuraTuff treatment is designed to increase the glass's resistance to mechanical and thermal shock while also making it safer to use.

  • Made in America

    Made in America

    This item was made in the United States of America.

  • Dishwasher Safe

    Dishwasher Safe

    This item can safely be cleaned in a commercial dishwasher.

  • Lead Free

    Lead Free

    This item is free of lead-based products.

Heavy Base

With a thick sham for added stability, this glass is perfectly balanced to rest on trays, tabletops, and counters.

Excellent Clarity

Crystal-clear clarity also showcases each drink to enhance your presentation, adding sophistication to any table setting.

Paneled Design

The classic paneled sides and octagonal design make this glass simple to handle during happy hour and other high-traffic times.

DuraTuff Treatment

When a normal glass breaks, it typically shatters into tiny pieces that can cause harm to customers and staff, contaminate food, and create downtime as your staff cleans up every little piece. DuraTuff glasses, on the other hand, tend to break into larger pieces, shortening cleanup and making them a much safer alternative for everyone in your restaurant or bar.

Libbey Brand

Since its beginnings in 1818, Libbey has been a leading distributor of glassware, providing a wide selection of durable and elegant products to suit your many needs. In that grand tradition, the high-quality form and feel of this Gibraltar rocks glass make it a perfect addition to any restaurant, hotel, or bar. Offering unparalleled brilliance and clarity, this glass makes it instantly clear that your customers are receiving the best product and service possible.

Customer Q&A Ask a Question

Is this piece of Libbey glassware made in America?
Yes, this item is made in America. However, Libbey reserves the right to ship items from other factory locations if needed. Regardless, all products will meet the high standards expected of a Libbey item.
Are beverageware and/or glassware capacities an exact liquid measurement?
Beverageware and glassware capacities are stated in ounces and are an approximate maximum capacity based off of an industry standard size. They are not to be used as a standard of measure for serving capacity.

Libbey DuraTuff

Libbey DuraTuff glassware provides you with safe and sophisticated glasses! Using an innovative strengthening and heat-treating after-process, DuraTuff glasses incorporate more mechanical strength and thermal shock resistance than regular glasses.

Let's face it--glassware breaks. How a glass breaks is more important. The way a glass breaks in your bar or restaurant can make a big difference in operations and profitability. Libbey's DuraTuff treatment is a super-strengthening, heat-treating after-process that increases the durability of the glass. Libbey produces some of the safest and most durable glassware in the world and here's why. This demonstration shows how fully tempered glassware breaks. Tempered glass explodes, sending small jagged pieces of glass up to ten feet (3 meters), causing disruption in your bar or restaurant. These glass pieces can cause harm to customers and can contaminate food and drinks. Let's not forget the extensive downtime to clean up the broken glass! A Libbey DuraTuff glass will not explode. When a Libbey DuraTuff glass fails, the glass typically breaks into large pieces that are less likely to risk injury or contaminate food and drinks. They provide easy clean up, too. The Libbey DuraTuff process also increases both mechanical strength and thermal shock resistance, the two biggest factors that affect glassware performance in pubs, bars, and restaurants. You can count on Libbey for a safer, more durable, and more profitable glass!

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Compare to Other Products

Overall Dimensions:
  • Top Diameter: 3 Inches
  • Bottom Diameter: 2 1/8 Inches
  • Height: 3 1/8 Inches
  • Capacity: 4.5 oz.

Resources and Downloads for
Libbey 15248

Specsheet Specsheet Glassware Guide Glassware Guide Handling Guide Handling Guide

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Customer Reviews

  • Overall User Rating: Libbey 15248 Gibraltar 4.5 oz. Rocks Glass - 36/Case

    5.0 stars from 10 reviews


    People Talk About:

    glasses durable drinks nicely shots cortados espresso great heavy perfect
  • Arrange by 
    Serving coffee in glass was a definite trend in Australia and New Zealand and we're bringing it back...we got these to use for cortados, they're iconic, cute and durable.
    i have to say that these are my favorite rocks glasses. we have bought other brands in our local stores but they just arent as good as they are here.
    we use these for our on the rocks drinks it holds 1 /1.5 oz of liquor poured over ice and that leaves about a 1/4 inch from the top these are made nicely and are durable i will buy again and i recommend
    Wasn't sure if this work glass would look nice, but I was pleasantly surprised at the quality. It feels very heavy and it looks very presentable to the general public. Glad I made this purchase, and you should too!
    Perfect shot glasses! Exactly what we were looking for to serve our September Witherspoon dinner. Glasses were used for a shot of cinnamon rum and looked just perfect. They have a heavy base and very nice feel to it. Seem to be very sturdy during wash and handling.
    These glasses are perfect for cortados (an espresso drink). They keep your fingers cool, look beautiful and hold up well with no breaks or cracks.
    These glasses are great, they are long lasting and eye catching for coffee beverages. They stack nicely on top of our espresso machine and they are cost efficient.
    What can you say about Libbey's Gibralter glassware that hasn't already been said? They are durable, cost effective, attractive and stackable. Thank you Libbey for providing such a great product!
    I love these glasses - they are heavy but it feels durable. Great for cortados, pulling shots for espresso drinks, or for general customer use.
    We use these for any double shots or shooters. We've also pulled them out when we have customers who would like to sample a new beer on tap before committing to a full pint. As with other Libbey glassware that we've purchased, these glasses are sturdy, clean and professional looking.

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