mine are tight, tight.. can they be stretched?

Agreed. too tight!!!. I have had no luck stretching them. Maybe hot water or dishwasher with heat??? however, might warp.

Will these fit on Luminarc 3L mason jars?

These lids fit the Luminarc working glasses both 14 oz and 21 oz glasses. If your mason jar also is 3-3/4" from edge to edge, it may fit.

do they fit Amazon glasses?

These fit perfectly on my working glass containers. I put them in the freezer as

do these fit on oui glass yogurt containers?

I'm not sure...but I have bought oui yogurt and these seem too wide. I use them with french cups marked "500". They are 3 3/4" across the top. They fit perfect.

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Mian Red Plastic Lids fits Luminarc Working Glass 6 Pack | These lids will only fit jars that measure 3.75" (9.5cm) outside diameter

Mian Red Plastic Lids fits Luminarc Working Glass 6 Pack | These lids will only fit jars that measure 3.75" (9.5cm) outside diameter

Product ID: 115109439

Details

Brand
Mian
Color
Red
Material
Plastic
Product Dimensions
3.93"L x
Style
Jar

🔒Snap-tight secure seal

🔴Precise 3.75" fit

🧩Grooved stacking design

KD 6.00

Duties & taxes included

In stock

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Description

🔴 Snap, Stack, Store: The Red Lid Revolution Your Kitchen Deserves!

SNAP ON SECURITY - Tight-fitting lids lock in freshness and prevent spills—perfect for on-the-go lifestyles.
FAMILY OWNED QUALITY - Crafted by Mian, a trusted American family business committed to durability and style.
STACK STORE LIKE A PRO - Grooved lids enable stable stacking, maximizing your kitchen space effortlessly.
TAILORED FIT FOR LUMINARC - Exclusively designed for 3.75" (9.5cm) diameter jars—no slipping, no guessing.
VIBRANT RED FOR VISIBILITY - Bold red lids add a pop of color and make your jars instantly recognizable.

Mian’s 6-pack of red plastic lids are precision-engineered to fit Luminarc Working Glass jars with a 3.75" (9.5cm) outside diameter. Featuring a snap-tight closure and grooved design for stacking, these lids secure your food and drinks while optimizing storage. Proudly made by a family-owned American brand, they combine functionality with a vibrant aesthetic to elevate your kitchen organization.

Specifications

ASIN	B0759S6XQ2
Best Sellers Rank	#212,703 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #1,051 in Canning Lids
Brand Name	Mian
Closure Type	Snap
Color	Red
Customer Reviews	4.1 4.1 out of 5 stars (460)
Item Dimensions L x W	3.93"L x 3.93"W
Item Weight	1.92 ounces
Manufacturer	Mian
Material Type	Plastic
Number of Pieces	6
Product Style	Jar
Shape	Round
UPC	744539810043
Unit Count	6 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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