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'Tis the season for icy cold drinks.

Warm weather is finally here, which means it's officially time to start gearing up for all our favorite outdoor activities. Picnics, barbecues, beach days—you name it, we'll be there. But, before you start packing the cooler for that weekend getaway, you'll need to invest in a good ice pack or two to keep your macaroni salad and hard seltzers (yes, we ranked them) nice and cool. Don't settle for subpar models, unless you're okay with cracking open a warm beer (blech). We like to be helpful here at Delish, so we did the hard work of researching the best ice packs for coolers for you.

Looking for best drinks and treats to pack in that cooler? We've got you covered. From 46 easy picnic recipes featuring sesame noodles and falafel sandwiches to easy-drinking light beers and refreshing canned cocktails, you've got plenty of options.

While ice packs may all seem the same, there's actually a lot of variety when it comes to selecting the best for your cooler. We researched and selected only highly-rated products, while also making sure to include ice packs of different sizes, materials, and designs. Whether you're looking for a large, heavy-duty ice pack to keep your cooler chilled all weekend long, or are searching for a small ice pack to chill a few drinks, we have plenty of picks for you. Now, who's ready for a barbecue?

The Igloo MaxCold Extra Large Freezer Block is durable and large enough to keep big coolers cold. "I bought this for my 90-quart Igloo cooler for a beach vacation and it lasted three days at the bottom keeping everything cool!" said a reviewer. "It was a great buy for the price."

The two-pound Yeti Ice reusable cooler packs are durable and impact-resistant, making them a great addition to any adventure. "Great design," said one reviewer. "The open slot in the middle works great as a handle and accelerates the freezing, it also keeps the ice pack from expanding in the middle like most ice packs."

The large surface area of the Arctic Ice Chillin' Brew Reusable Ice Pack cools quickly and effectively. It's also non-toxic and can be reused up to 100,000 times. "The Chillin Brew kept everything cold all day on the boat with temps in the upper 80s," said one reviewer. "The next morning the ice pack was still cold and partially frozen." Arctic Ice also has even larger sizes available, as well.

With a their slim design, Fit & Fresh Cool Coolers Ice Packs keep your things cold without adding bulk, making them great for petite coolers or even lunchboxes. "I bought eight of these ice squares to put in my smaller cooler. They worked all day keeping every thing cool," said one reviewer. "And I love that there's no wet mess, like ice cubes."

For a cooler that will stay chilled all weekend long, you can't go wrong with the Cooler Shock Reusable Ice Packs, which stay chilled up to 48 hours. Ten-by 14-inches in size, they're great for large coolers.

"I have had these for about two years and use them everyday and camp four times a year for 3-plus days. They work amazing!!!!! They are ice cold for days!" said one reviewer. " I don't have a high-end cooler, but I will have ice cold drinks and food for days."

The ice packs come with a dry cooling gel mixture inside, so you will have to fill them with water before using. But, once they're filled and frozen, they can be reused.

At only about an inch thick, the Kona Extra Large Slim Ice Packs keep your cooler cold without taking up too much space. And, they freeze in under 25 minutes. "You can lay it flat on the bottom of your cooler, or use them as 'side liners' to keep items cool for the day without using a ton of space that you could have used for your food and drink," said a reviewer.

FlexiFreeze Ice Sheets look just like ice cubes, but don't come with the mess. Unlike stiff traditional ice packs, these sheets are flexible, allowing you to wrap them around food and drinks to keep them cold. "They are so versatile," said one reviewer. "I kept two of them their original size and cut the other two into different sizes for our needs."