Kitchen

Glass To Go Cup - Onyx Black

Name: Glass To Go Cup - Onyx Black
Brand: The Refill Shoppe, Inc.
Availability: InStock

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Our very first official glass reusable cup! Made with premium glass and silicone it will always feel great in your hand and just right on your lips. No need for additional koozies this cup will never

Our very first official glass reusable cup! Made with premium glass and silicone it will always feel great in your hand and just right on your lips. No need for additional koozies this cup will never be too hot to the touch! High Quality Borosilicate Glass Anti-slip Grip thermal sleeve Barista Friendly Easy to Clean

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What to Consider

Materials & Construction

·Glass — Non-porous and non-reactive. Borosilicate glass (Pyrex-style) resists thermal shock. Tempered glass is 4-5x stronger than regular glass.
·Borosilicate — Laboratory-grade glass that withstands extreme temperature changes. Won't shatter going from freezer to boiling water.
·Made by The Refill Shoppe, Inc. in United States.

Longevity & Care

·Glass — Dishwasher safe. Handle with care — glass does not flex on impact.

Brand at a Glance

The Refill Shoppe, Inc. · United States

B Corp certified — Personal care products

Oras Index32/100

Good to Know

The Refill Shoppe operates a compelling circular-consumption model centered on reusable packaging and bulk refills, which positions longevity and waste reduction at the core of its business rather than product durability alone. However, wit…

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·⚠ Modern "pyrex" (lowercase) uses soda-lime glass, which is less thermal-shock resistant than vintage PYREX (uppercase) borosilicate. Don't take modern pyrex from freezer to oven.

·Borosilicate — Dishwasher safe. Extremely durable for glass — still break on hard impacts though.

Cost Per Use

·Glass — Glass food storage and cookware lasts indefinitely. No staining, no flavor absorption, no chemical leaching.
·Borosilicate — More expensive than soda-lime glass but lasts much longer in demanding kitchen use.
·Priced around $100 (midpoint of $50–$150 for Kitchen). At ~25 uses/month, this hits the $1-per-use "worth it" mark in 4 months — and falls to roughly 7¢ per use across a 5-year lifespan.