Do the markings stand up to washing, or do they disappear over time?

Have washed mine many times on the top rack of the dishwasher and they are as dark now as when I first purchased them. My favorite go to measuring cups!

I recently purchased a set of these measuring cups. I see they can stand up to 450*F. This may be a dumb question, has anyone microwaved these ?

I use mine in the microwave every day: heating milk for mashed potatoes; warming water to proof yeast for bread-making; making cocoa. Love these cups!

Do these have markings for ounces? It doesn't look like it from the picture. Thanks!

Yes, one side is marked by ounces (2oz increments) and cups (1/4c increments). The other side is liters (1/4L increments) and mL (50mL increments).

Over time do the markings start to wear off?

I've used my flex-it cup for a year or so and the markings have not shown any sign of wearing off. I always clean it by hand, though. I don't know what would happen if I used my dishwasher.

Isi Basics Measuring Cup Silicone Flexible Set Of 3 Off

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Description

📐 Measure with confidence, pour with style — the flexible future of precision!

POUR LIKE A PRO - Innovative flexible rim shapes into a spout for smooth, mess-free liquid transfer from any angle.
TRANSLUCENT ELEGANCE - Sleek off-white translucent design adds a minimalist, professional touch to your kitchen arsenal.
PRECISION MEETS VERSATILITY - Three perfectly sized cups (1, 2, 4 cups) with crystal-clear US & metric markings for flawless measuring every time.
BUILT FOR THE MODERN KITCHEN - Microwave and dishwasher safe, designed to withstand heat up to 490°F for ultimate convenience and durability.
GRIP FLEXIBILITY REDEFINED - Firm yet flexible silicone body with textured exterior ensures a secure hold and effortless pouring without spills.

The iSi Basics Measuring Cup set includes three flexible silicone cups (1, 2, and 4 cups) featuring easy-to-read US and metric measurements on a translucent, textured body. Designed for precision and convenience, these heat-resistant cups are microwave and dishwasher safe, with a flexible rim that forms a spill-free pouring spout. Perfect for the modern kitchen, they combine durability, style, and functionality in one sleek package.

Specifications

ASIN	B001CDBBY8
Best Sellers Rank	#64,785 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #452 in Measuring Cups
Brand	iSi Basics
Brand Name	iSi Basics
Capacity	2 Pounds
Color	Translucent
Customer Reviews	4.8 out of 5 stars 1,832 Reviews
Global Trade Identification Number	00085355253004
Included Components	measuring cup(3)
Item Dimensions	4.75 x 4.75 x 6.75 inches
Item Type Name	Silicone Flexible Mesauring Cup
Item Weight	0.14 Kilograms
Item dimensions L x W x H	4.75 x 4.75 x 6.75 inches
Manufacturer	iSi North America
Manufacturer Part Number	B25300
Material	Silicone
Material Type	Silicone
Model Number	B25300
Size	Set of 3 Assorted
UPC	885205395515 885223259011 885340733562 885202131628 789542148363 885286508149 085355253004
Unit Count	1.0 Count

Reviews

M**T

14.09.2024

G**A

15.02.2025

C**L

18.08.2025

J**R

25.03.2026

M**M

1.10.2025

A**R

22.01.2026

C**.

7.10.2023

N**E

24.04.2013

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Trustpilot

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The product quality is outstanding. Exactly what I needed for my work.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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