Measure this first

This glass smoothie straw fit check helps you match the bore width to your cup rim. I am Keiko Mori, and I focus on the physical dimensions you need to…

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

Keiko's heat check. Measure the internal diameter of your cup rim before selecting a glass smoothie straw. The product photo shows the exact width you must match to avoid a loose fit.

I am Keiko Mori, Kitchen editor at Gadget Evaluator, and I focus on the physical fit of your glass smoothie straw. The primary job here is ensuring the straw width aligns with your specific cup or tumbler rim.

Look at the product photo to see the stated bore width. You need to match this measurement to your cup's internal diameter to ensure a secure seal for thick smoothies.

1. 12 Pack Reusable Glass Straws – 8" x 8 MM, Bent Glass Drinking…

1. The title specifies an 8-inch length and 8 mm diameter, which is the critical dimension for standard tumblers and mason jars.
2. Measure the internal width of your vessel's opening; if your cup is narrower than 8 mm, these bent straws will not fit, and the 8-inch length must clear the rim without bending awkwardly.
3. Look at the product photo to confirm the curvature of the bend.
4. If your drink is served in a wide-mouthed jar, the angle of the bend determines whether the straw sits comfortably or digs into the side.
5. Check the image for the included cleaning brushes to ensure their bristle length matches the 8 mm interior, as a brush that is too wide will be useless for this specific diameter.

See Deal $7.99

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

1. This listing highlights a 10 mm diameter and 8.5-inch straight profile, which is a wider fit than standard 6 mm straws.
2. You must match the 10 mm width to your cup's mouth; if you are using a standard soda can or narrow tumbler, this width will likely not seat properly.
3. The straight design means you need to measure the total height of your drink container to ensure the 8.5-inch length is sufficient to reach the bottom.
4. In the photo, verify that the straws are truly straight and not slightly curved, as the title claims.
5. Check the visual representation of the cleaning brushes to see if they are designed for a 10 mm bore; a brush meant for a thinner straw will not clean the full width of these, leaving residue in the corners of the glass.

See Deal $9.99

3. 10 Pcs Reusable Glass Straws 7.9” x 8 mm Bent Glass Straws Colorful

1. The title lists a 7.9-inch length and 8 mm diameter, which is a slightly shorter and narrower fit than the 8.5-inch options.
2. Measure your cup's rim to ensure the 7.9-inch length is enough to reach the liquid without requiring you to tilt the container excessively.
3. The 8 mm width is a standard fit for most reusable glass bottles, but you must confirm your bottle's opening is at least this wide.
4. Look closely at the photo to see the specific colors included, as 'colorful' is subjective.
5. More importantly, check the image for the cleaning brush; since the diameter is 8 mm, the brush must be slim enough to pass through but wide enough to scrub the walls.
6. If the photo shows a thick brush, it may not fit this specific 8 mm bore, rendering it ineffective for cleaning.

See Deal $9.99

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

1. This assortment includes both straight and bent straws, but the title does not specify the diameter, which is a critical fit check.
2. You must look at the product description or photo to find the millimeter width, as a 6 mm straw will not fit in a 10 mm cup opening and vice versa.
3. The mix of shapes means you need to measure your cup's height to determine if the straight straws are long enough for your specific vessel.
4. In the photo, count the actual number of straws to verify the 16-pack claim.
5. Check the visual size of the cleaning brushes relative to the straws; if the brushes look bulky, they may not fit inside the thinner straws.
6. Ensure the photo shows the brushes clearly so you can judge if they are compatible with the specific diameter of the straws included in this set.

See Deal $6.49

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

1. The title specifies an 8.5-inch length and 10 mm diameter, which is a wide fit for larger tumblers.
2. Measure the internal diameter of your cup; if it is less than 10 mm, these straws will not fit.
3. The 8.5-inch length is standard for most 20-30 oz bottles, but you must ensure your specific container's height allows the straw to reach the bottom without being too long and sticking out awkwardly.
4. Look at the photo to confirm the 6 straight and 6 bent configuration.
5. Check the cleaning brushes in the image to see if they are designed for a 10 mm bore.
6. A brush that is too narrow will not clean the full width of these straws, leaving residue.
7. Ensure the photo clearly shows the brush bristles so you can judge their compatibility with the 10 mm interior.

See Deal $6.98

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

1. The title highlights an 8-inch length and straight design, with a note on dishwasher safety.
2. You must measure your cup's height to ensure the 8-inch length is sufficient for your drink.
3. The straight shape means you need to check the diameter, which is not specified in the title, so you must look at the product details to find the millimeter width to ensure it fits your cup's opening.
4. In the photo, verify the 'Made in Germany' claim and the dishwasher-safe language.
5. Check the cleaning brush image to see if it is plastic-free, as stated.
6. Ensure the brush is slim enough to fit the specific diameter of these straws, which you must confirm in the product details.
7. If the brush looks too thick, it may not clean the interior effectively.

See Deal $15.90

7. Reusable Glass Straws for Stanley Cup 40 oz, 2 Extra Long 12 Inch…

1. The title specifies a 12-inch length for 40 oz Stanley cups, which is a long fit for tall tumblers.
2. Measure the height of your Stanley cup to ensure the 12-inch length is appropriate; if your cup is shorter, the straw will stick out too much.
3. The 40 oz compatibility means the diameter is likely wider, so you must check the millimeter width to ensure it fits your specific Stanley model's opening.
4. Look at the photo to see the silicone straw covers, which are included.
5. Check the cleaning brush image to ensure it is long enough to reach the bottom of the 12-inch straw.
6. If the brush looks short, it will not clean the full length, leaving residue at the bottom.
7. Ensure the photo clearly shows the brush length relative to the straw.

See Deal $8.99

8. Youngever Reusable Glass Straws Assortment, 9 inches, Eco Friendly…

1. The title lists a 9-inch length, which is a mid-range fit for standard tumblers.
2. Measure your cup's height to ensure the 9-inch length is sufficient to reach the bottom.
3. The diameter is not specified in the title, so you must look at the product details to find the millimeter width to ensure it fits your cup's opening.
4. The 16-pack size means you need to check the storage space for this many straws.
5. In the photo, verify the 16-pack claim and the included brush.
6. Check the brush image to see if it is compatible with the specific diameter of these straws.
7. If the brush looks too thick, it may not fit inside the straws.
8. Ensure the photo clearly shows the brush so you can judge its compatibility with the 9-inch length and unknown diameter.

See Deal $12.99