Measure this first

I check the brush diameter against your glass straw’s inner width. This page helps you match the cleaner to the specific tube size you own. Short glass…

By Keiko Mori · Kitchen editor · Kitchen desk · Gadget Evaluator Lab

Keiko's heat check. Measure your glass straw’s inner diameter in millimeters. Match that number to the brush head size listed on the Amazon page.

A glass straw cleaner is a fit check, not a generic accessory. If the brush head is too wide, it will not enter the tube; if it is too narrow, it will not scrub the walls. I look for the exact inner diameter of your straw before I recommend a brush.

In the product photo, look for the brush head diameter listed in the title or description. Compare that number to the inner width of your glass straw. The photo is the only way to verify the scale before you open the listing.

1. Lazycorner Reusable Glass Straws Set 16 Pcs 8.5''x 10MM Straight…

1. The title specifies a straight profile at 8.5 inches long and 10 millimeters wide, which dictates the maximum opening size of your vessel.
2. Measure the internal diameter of your tumbler or glass to ensure the 10MM width fits without forcing the straw into the rim.
3. In the product photo, verify the inclusion of the four cleaning brushes and check their bristle length against the 8.5-inch straw depth.
4. Confirm the brush core is rigid enough to reach the bottom of the 10MM bore, as a short brush will leave residue in the lower half of the glass tube.

See Deal $9.99

2. 2Pcs Silicone Straw Cleaner Brush, 9.84in Reusable Straw Cleaner…

1. This listing is a 9.84-inch silicone brush with a bendable steel core, designed to clear glass straws.
2. Match this length to your specific straw depth; if your straws are shorter than 9.84 inches, the brush head may protrude and scratch the rim or your mouth.
3. Look at the photo to see the brush head diameter relative to the straw it is cleaning.
4. Ensure the silicone bristles are dense enough to scrub the interior surface but soft enough not to abrade the glass, and confirm the steel core allows the brush to navigate any slight bends in your existing straws.

See Deal

3. 12 Pack Reusable Glass Straws – 8" x 8 MM, Bent Glass Drinking…

1. The title lists a bent design at 8 inches long and 8 millimeters wide.
2. Measure your glass opening to confirm the 8MM width fits, and check the bend angle in the photo to ensure it aligns with your drinking height preference.
3. In the image, inspect the two included cleaning brushes to see if their length matches the 8-inch straw depth.
4. Verify that the brush bristles are long enough to reach the bottom of the bent section, as standard straight brushes often fail to clean the curved portion of these straws.

See Deal $9.99

4. Hummingbird Glass Straws Clear Straight 9" x 7 mm Long Reusable…

1. This 9-inch straight straw has a 7 millimeter diameter, specifically noted for compatibility with Yeti and Starbucks style tumblers.
2. Measure the internal diameter of your tumbler's opening to ensure the 7MM width slides in smoothly without getting stuck.
3. Check the product photo for the cleaning brush dimensions.
4. Since the straw is 9 inches long, confirm the brush is long enough to reach the base.
5. Look for bristle density in the image to ensure it can scrub the narrow 7MM interior effectively without leaving streaks on the clear glass.

See Deal $17.99

5. 6-Pack Reusable Glass Straws with 2 Long Cleaning Brush, Size…

1. The title indicates a set of six 8-inch straws with an 8 millimeter width.
2. Measure your vessel's opening to verify the 8MM diameter fits, and check the total length to ensure it reaches the bottom of your specific mug or bottle.
3. In the photo, examine the two long cleaning brushes provided.
4. Confirm their length covers the full 8-inch span of the straws.
5. Look closely at the brush head size to ensure it matches the 8MM internal diameter, as a brush that is too small will miss the walls, and one that is too large will not enter the tube.

See Deal $8.99

6. 16 Pack Reusable Glass Straws, 6 Straight and 6 Bent with 4…

1. This 16-pack includes six straight and six bent straws, but the title does not specify the length or diameter.
2. You must check the detailed product description or the photo scale to find the exact millimeter width and inch length before buying.
3. Look at the photo to identify the cleaning brush size relative to the straws.
4. Since the set mixes straight and bent profiles, verify that the four included brushes are long enough for the longest straw in the set and have a bristle diameter that fits the internal bore of both the straight and bent variants.

See Deal $5.84

7. Piteno® 12Pcs Glass Straws with 4Pcs Brushes, Reusable Clear Glass…

1. The title specifies 8.5-inch length and 10 millimeter width for a set of six straight and six bent straws.
2. Measure your glass or tumbler opening to ensure the 10MM width fits, and check the bend radius in the photo to see if it suits your drinking angle.
3. In the image, verify the four cleaning brushes are present and measure their length against the 8.5-inch straw depth.
4. Confirm the brush bristles are long enough to reach the bottom of the 10MM bore, especially in the bent sections where cleaning access is more difficult.

See Deal $6.98

8. Halm Glass Straws – 6x Reusable 8 inch Drinking Straws clear +…

1. This 8-inch clear glass straw is labeled as dishwasher safe and includes a plastic-free cleaning brush.
2. Measure your glass opening to ensure the diameter fits, and check the 8-inch length to confirm it reaches the bottom of your preferred vessel.
3. Look at the photo to see the cleaning brush design.
4. Confirm the brush is long enough to reach the 8-inch depth and that the bristles are suitable for the internal diameter.
5. Verify the dishwasher safe claim in the description if you plan to clean the straws in a machine, as the photo only shows the physical brush.

See Deal $15.90