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Drinking Flasks & Laboratory Flasks from Hydro Flask, Stanley, Yeti & Other Top Brands — 6,934 products / 10,663 models

From highly portable drinking flasks to specialized Erlenmeyer and volumetric flasks, OpticsPlanet is your one-stop shop for hydration containers and labware. Where else could you find on-the-go flask bottles and high-quality laboratory glass at the same place? Whether employed in scientific experiments or chosen for convenience in carrying beverages, flasks embody versatility, making them indispensable in various settings.image

What Type of Flasks Are There?

  1. Laboratory Flasks: In scientific settings, flasks are used for mixing, heating, or storing liquids. Erlenmeyer flasks, with their conical shape, are popular for titrations and mixing solutions. Round-bottom flasks are used in the distillation processes. They are made of borosilicate glass, known for its durability and resistance to chemical reactions.
  2. Hip Flasks: A hip flask is a small, flat container designed to discreetly carry a small amount of liquid, typically alcohol. These flasks are often made of metal like stainless steel and have a hinged or screw-on lid. Hip flasks are popular accessories, especially during outdoor activities or social events where a quick sip may be desired.
  3. Vacuum Flasks: Vacuum flasks, also known as thermos flasks, are designed for temperature retention. They consist of an inner and outer wall with a vacuum in between, minimizing heat transfer. These flasks are excellent for keeping beverages hot or cold for extended periods. They are commonly used for carrying soups, coffee, or cold drinks.

Buy Flasks Online at OpticsPlanet

Whether you need lab flasks or beverage containers for your travels, OpticsPlanet carries everything you need from top-rated brands like Hydro Flask and Stanley. Shop online with us today and get Free Shipping on most orders over $49.

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Image of Katadyn BeFree Water Filtration System with 1L Flask Katadyn BeFree Water Filtration System with 1L Flask List: $44.95 (Save 20%) $35.96 Final Sale
Image of Snow Peak Titanium Sake Bottle Snow Peak Titanium Sake Bottle $204.95 Free 2 Day Shipping
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Image of Hydro Flask Oasis Bottle 128oz Hydro Flask Oasis Bottle 128oz List: $160.72 (Save 22%) $124.95
Image of Hydro Flask 21 Oz Standard Flex Cap 2 models Hydro Flask 21 Oz Standard Flex Cap As Low As (Save Up to 66%) $11.84 Blazin' Deal
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Image of Platypus DayCap In Bottle Filter 2 models Platypus DayCap In Bottle Filter As Low As (Save Up to 61%) $19.49 Blazin' Deal
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Image of Polar Ware Beakers with Handles, Stainless Steel 3W Polar Ware Beakers with Handles, Stainless Steel 3W List: $396.62 (Save 34%) $259.99
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Image of Kimble/Kontes KIMAX Flat-Bottom Florence Boiling Flasks, Reinforced Tooled Top, Kimble Chase 25000 1000 Kimble/Kontes KIMAX Flat-Bottom Florence Boiling Flasks, Reinforced Tooled Top, Kimble Chase 25000 1000 List: $295.55 (Save 26%) $219.99
Image of Kimble/Kontes Vials, Borosilicate Glass, with Phenolic Screw Cap VW60957A 4 Capsule Type, Pack of 72 2 models Kimble/Kontes Vials, Borosilicate Glass, with Phenolic Screw Cap VW60957A 4 Capsule Type, Pack of 72 As Low As (Save Up to 25%) $243.99
Image of Pall Analyslide Petri Dish on a Slide, 47mm, Pall Life Sciences 7231 Analyslide 47MM PK100, Pack of 100 Pall Analyslide Petri Dish on a Slide, 47mm, Pall Life Sciences 7231 Analyslide 47MM PK100, Pack of 100 List: $205.99 (Save 23%) $157.99
Image of Traditions Powder Flask Traditions Powder Flask List: $27.39 (Save 24%) $20.95
Image of Nalge Nunc Economy Wash Bottles, Low-Density Polyethylene, Narrow Mouth, NALGENE 2401-0250, Pack of 6 2 models Nalge Nunc Economy Wash Bottles, Low-Density Polyethylene, Narrow Mouth, NALGENE 2401-0250, Pack of 6 As Low As (Save Up to 24%) $55.99
Image of Wheaton Shorty Vial, Borosilicate Glass, Wheaton 224823 Vials Without Caps, Case of 200 Wheaton Shorty Vial, Borosilicate Glass, Wheaton 224823 Vials Without Caps, Case of 200 List: $216.00 (Save 26%) $159.99
Image of Hydro Flask Closeable Press-In Lid 2 models Hydro Flask Closeable Press-In Lid As Low As (Save Up to 65%) $3.45 Blazin' Deal
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Image of Bel-Art Aquet Phosphate-Free Liquid Detergent, SCIENCEWARE 170940020 20 Ml Pouch, Box Of 20, Pack of 20 Bel-Art Aquet Phosphate-Free Liquid Detergent, SCIENCEWARE 170940020 20 Ml Pouch, Box Of 20, Pack of 20 List: $169.99 (Save 19%) $137.99
Image of Tradewinds Weighing Funnels, Tradewinds Direct ASWF2M Antistatic Polypropylene, Pack of 50 2 models Tradewinds Weighing Funnels, Tradewinds Direct ASWF2M Antistatic Polypropylene, Pack of 50 As Low As (Save Up to 30%) $129.99
Image of Kendall Healthcare Specimen Cup 4OZ Strl CS100 8889207026 Specimen Cup 4OZ Strl CS100, Case of 100 Kendall Healthcare Specimen Cup 4OZ Strl CS100 8889207026 Specimen Cup 4OZ Strl CS100, Case of 100 List: $118.94 (Save 16%) $99.99
Image of MIL-TEC 170ml St.Steel Jerry Can Flask MIL-TEC 170ml St.Steel Jerry Can Flask $25.99
Image of Traditions Revolver Kit A5120 Traditions Revolver Kit A5120 List: $99.99 $99.79
Image of Pall Petri Dishes, 50mm, Sterile, Pall Life Sciences 7242 Plain, Pack of 100 Pall Petri Dishes, 50mm, Sterile, Pall Life Sciences 7242 Plain, Pack of 100 List: $123.99 (Save 27%) $89.99
Image of Platypus 3L Quickdraw Gravity Filter 2 models Platypus 3L Quickdraw Gravity Filter $99.95 Final Sale
Image of Polar Ware Stainless Steel 4Y-2 Covers for Ingredient Beakers Polar Ware Stainless Steel 4Y-2 Covers for Ingredient Beakers List: $115.48 (Save 31%) $79.99
Image of Nalge Nunc Unitary Vented Safety Wash Bottles, Low-Density Polyethylene, NALGENE 2436-0501 500 Ml (16 oz.) Capacity, Pack of 4 Nalge Nunc Unitary Vented Safety Wash Bottles, Low-Density Polyethylene, NALGENE 2436-0501 500 Ml (16 oz.) Capacity, Pack of 4 List: $101.99 (Save 27%) $73.99
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Image of Traditions Flintock ShooterKit Traditions Flintock ShooterKit List: $74.95 (Save $4.96) $69.99
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Image of Kimble/Kontes KIMAX Test Tubes, Reusable, Borosilicate Glass, Kimble Chase 45042 25200 2 models Kimble/Kontes KIMAX Test Tubes, Reusable, Borosilicate Glass, Kimble Chase 45042 25200 As Low As (Save Up to 14%) $81.99
Image of Hydro Flask Insulated Mug HDF-M24CPC035 Hydro Flask Insulated Mug HDF-M24CPC035 List: $45.99 (Save $2.00) $43.99
Image of Hydro Flask Standard Mouth Flex Cap Hydro Flask Standard Mouth Flex Cap List: $9.95 (Save 66%) $3.40 Blazin' Deal
Image of Hydro Flask Wide 64oz Mouth Flask Hydro Flask Wide 64oz Mouth Flask List: $93.16 (Save 30%) $64.95
Image of Corning Pyrex Erlenmeyer Flask, 2000 Ml 4980-2L 2 models Corning Pyrex Erlenmeyer Flask, 2000 Ml 4980-2L As Low As (Save Up to 20%) $45.99
Image of Zippo Lighter and Flask Gift Set Zippo Lighter and Flask Gift Set List: $49.95 (Save 13%) $43.49
Image of Kimble/Kontes OPTICLEAR Vials, Borosilicate Glass, with Polyethylene Stopper, Kimble 60975L 1, Pack of 72 2 models Kimble/Kontes OPTICLEAR Vials, Borosilicate Glass, with Polyethylene Stopper, Kimble 60975L 1, Pack of 72 As Low As (Save Up to 13%) $41.99
Image of Traditions Brass Deluxe Powder Flask A1201 Traditions Brass Deluxe Powder Flask A1201 List: $42.31 (Save 18%) $34.59
Image of Kimble/Kontes KIMAX Capillary Melting Point Tubes, Kimble Chase 34505-99 2 models Kimble/Kontes KIMAX Capillary Melting Point Tubes, Kimble Chase 34505-99 As Low As (Save Up to 22%) $19.99
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Image of Gast Vacuum Pressure Pump, Gast DOA-P704-AA Pump Vacuum Pressure 115V Gast Vacuum Pressure Pump, Gast DOA-P704-AA Pump Vacuum Pressure 115V $1,895.00
Image of Corning BioCoat Cellware, Poly-Lysine, 354467 Corning BioCoat Cellware, Poly-Lysine, 354467 List: $189.99 (Save 12%) $167.99
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Image of BrandTech Griffin Beakers, ETFE, BrandTech V110204, Pack BrandTech Griffin Beakers, ETFE, BrandTech V110204, Pack List: $47.99 (Save $4.00) $43.99
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