Stanley cups are up to 40% off on Amazon — 9 water bottle deals I'd shop for summer

A water bottle is essential for exercise to help you stay hydrated, especially during intense sessions or hot yoga, where you can sweat a lot more and lose fluid quicker. The Stanley Quick Flip GO Water Bottle is an excellent option. Its easy, one-handed flip lid makes sipping effortless, while the leakproof design ensures no spills in your gym bag.

Not a fan of straws or chug lids? The Stanley All Day Slim Bottle Water Bottle has a twist lid and a slim design that you can easily sip and effortlessly slip into your bag or backpack. Like many Stanley cups, it's insulated to keep your drinks at their optimum temperature and it fits in most car cup holders.

With the Stanley Quencher craze still going strong, it can be difficult to secure a discount on this incredibly popular tumbler. But right now you can save $5 on the 14 oz trendy beverage container.

Looking for something larger? The popular 30-ounce Stanley Quencher H2.0 FlowState Tumbler fits into most car cup holders. It's made with recycled stainless steel, features a 3-position lid, and reusable straw. Its double-wall vacuum insulation can keep water ice cold for 40 hours. You can also get the 40-ounce version for just $27.

Like the name suggests, this Stanley's unique shape makes it sturdier and less likely to tip over! That's a lifesaver if you need to keep it on your dashboard. It's also vacuum insulated to keep your drinks hot for up to 4 hours, cold for up to 6 hours and iced for up to 24 hours.

Taking the top spot in our guide to best water bottles, this large tumbler with a built-in straw is perfect for drinking water, smoothies, iced coffee and more. The straw simply snaps shut when you're done sipping and is leakproof when closed. It will keep your drinks chilled for 12 hours or iced for up to two days. The tumbler also features a ergonomic, rotating handle that allows you to quickly grab it and go. 

This durable bottle will keep your hot drinks hot and your cold drinks cold for up to 24 hours. However, this versatile thermos fits up to 1 quart of liquid. It has a wide mouth to help with easy pouring into the lid, which also doubles as an 8 oz cup.

This Stanley thermos with an integrated spork is designed with a leakproof lid and can hold your favorite foods when you're on the go. Regardless of the temperature outside, it keeps food hot or cold for 7 hours. It seals tight and features a wide mouth, making it easy to clean.

Take your favorite beverages on the go with the 16 oz bottle that will keep them hot for 6 hours, cold for 8 hours and iced for 30 hours. It's made with Stanley’s featherweight spun-steel technology, making it 33% lighter than their standard stainless steel tumblers. It also has a locking lid to prevent spills and fits in most standard cup holders.