If you’ve been waiting for Stanley to offer a deal on its ever-popular drinkware, now’s your chance to grab them at a discount.

Stanley is hosting a huge “End of Summer Sale” with 25% off select drinkware and more through September 3 at 2:59 a.m. ET (Sept. 2, 11:59 p.m. PT). The discount applies to water bottles, tumblers, lunch boxes, pint glasses, canning jars and thermoses in certain sizes and colors.

This is a rare online sale for Stanley, which typically only offers discounts a few times a year. This is also a good time to stock up on some essential Stanley drinkware or grab that lunchbox you need at lunchtime.

During the End of Summer Sale, Stanley is offering a number of deals, but one of our favorites is the Classic Lunch Box. This 10-quart lunch box is $13 off in Hammertone Silver.

You’ll also want to check out all the barware on sale, including the Classic Easy Fill Wide Mouth Flask in Blaze Orange for $7 off. This Adventure Tough-To-Tip Admiral’s Mug is also a must-have and is on sale in Black, Creme Gloss, Hammertone Green and Matt Black for $7 off.

The sale doesn’t include any famous Quencher Tumblers, but you’ll definitely want to check out all the discounts on water bottles. These include a range of IceFlow bottles in a variety of colours and sizes, as well as this handy Quick Flip Go Bottle, which is $6 off.

However, the deals from this big Stanley “End of Summer Sale” won’t be available for long, so if you see a great bargain, be sure to snap it up while stocks last.

Here’s a look at some of our Stanley favorites that you can snag for 25% off.

• IceFlow bottle with cap and Carry+ lid 50 oz for $42 instead of $55
• Quick Flip Go Bottle 24 oz for $19 instead of $25
• Classic Stay Chill Beer Pint 16 oz for $20 instead of $26
• Classic Lunchbox 10 Qt for $42 instead of $55
• Artisan Thermal Bottle 2 Qt for $45 instead of $60
• Adventure Tough-To-Tip Admiral’s Mug 20 oz for $24 instead of $31
• Stay-Hot Stacking Cup 10 oz for $15 instead of $20
• Adventure To-Go Food Jar + Spork 24 oz for $29 instead of $38
• Classic, easy-to-fill wide-mouth bottle 8 oz for $21 instead of $28
• Everyday Slim Can Cooler Cup 10 oz for $19 instead of $25

You can find more Stanley drinking vessels on special offer here.