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

📏Precise 3.75" fit

🔴Vibrant red snap-on lids

🧩Grooved stacking design

2669 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔴 Snap, Stack, Store: The Lid That Means Business

SECURE SNAP CLOSURE - Tight-fitting lids lock in freshness and prevent spills with confidence.
STACK STORE SMART - Grooved lids enable stable stacking—maximize your kitchen space effortlessly.
FAMILY OWNED QUALITY - Crafted by Mian, a trusted American family business—support authenticity and durability.
TAILORED FIT FOR LUMINARC - Exclusively fits 3.75" (9.5cm) diameter jars—no slipping, no guessing.
VERSATILE STORAGE SOLUTION - Perfect for drinks, dips, sauces, veggies, and homemade gifts—elevate your meal prep game.

Mian’s 6-pack of vibrant red plastic lids are precision-engineered to fit Luminarc Working Glass jars with a 3.75" (9.5cm) diameter. Featuring a secure snap closure and grooved design for stacking, these lids keep your food fresh, prevent spills, and optimize storage. Proudly made by a family-owned American brand, they’re the perfect upgrade for organized, stylish kitchen pros.

Specifications

ASIN	B0759S6XQ2
Best Sellers Rank	#182,721 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #917 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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