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Resistant to thermal shock up to 200°C.

Compatible with our stainless steel Meal Prep Boxes.

Always follow the usage advice given below.

When freezing, take care not to overfill.

Push the button to release the lid lock and break the vacuum seal.

You should avoid sudden and severe temperature changes, ensure that you do not cause the glass to experience a thermal shock of more than 200°C (EN1183).

Materials: Borosilicate Glass, Polypropylene, Silicone.

Can I also microwave the lid?

Not for toaster oven, stovetop, or grill use.

What is the maximum temperature change the glass will endure?

durable borosilicate glass built to endure oven heat and daily wear.

Our glass food containers are designed to stack and nest neatly for compact storage, and are safe for use in the oven, microwave, air fryer, dishwasher and freezer.

Are these compatible with the Black+Blum Stainless Steel Meal Prep Boxes?

SKU: FBGR-BX-XSPACK3 (Extra-Small), FBGR-BX-SPACK3 (Small), FBGR-BX-MPACK3 (Medium), FBGR-BX-LPACK3 (Large).

What temperature can the containers go in the oven?

Avoid use under direct heat source: Do not use on and under a flame or with any other direct heat source.

The vacuum-sealed lid lock is 100% leak proof and airtight, keeping your food fresher for longer and reducing food waste.

Pull the lid upwards slowly for the easiest open.

Can I go straight from freezer to oven or microwave?

Easy-clean: fully removable seals.

We have specifically designed the lid to remove the need for single-use plastic cling film to prevent splatter when microwaving.

The glass is cold resistant to - 20°C and therefore safe for use in the freezer.

Shipping and returns

Orders are usually prepared within 1–2 business days after confirmation. Weekends and public holidays are excluded; business hours are counted during normal operating days, not continuously. Estimated transit after dispatch is 3–5 business days. Preparation and transit are separate periods. Carrier delays, remote locations and exceptional conditions can extend estimates; delivery dates are not guaranteed.

Our voluntary return window is 45 calendar days after delivery for eligible unused items. Contact us before sending a return. Product-specific exclusions must be disclosed before purchase; mandatory consumer rights remain unaffected.

Shipping Information · Returns & Refunds

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