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Kilner Breakfast Jar Set

An exact 0.35 litre wide-mouth glass breakfast jar set with a stainless-steel lid that also serves as a 50 g measuring cup, a silicone sealing disc, spoon and silicone spoon holder.
Research-basedReviewed by Gabriel SilvaLast verified 20 September 2026Next review due 20 December 2026Report a correction

Product format visualisation · NST studio

Illustrative NST product mockup · not product photography

Decision snapshot

Know the basis before the button.

This summary keeps suitability, evidence status and commercial context above the retailer action so the product link never becomes the whole assessment.

Evidence status

Product facts reviewed

Uses the product identity, specifications and limitations shown on this page; no research or hands-on testing is claimed.

Hands-on testing

Not claimed

NST should only show a tested badge when a repeatable test record exists for the exact product.

Product destination

Affiliate link available

Retailer link checked 19 Sept 2026 and disclosed beside the button.

Review window

Reviewed 20 Sept 2026

Next review: 20 Dec 2026.

Consider it if

People who already prepare yoghurt, cereal, overnight oats or similar foods and deliberately want a compact reusable jar-and-spoon format for transport.

Skip it if

People who already own suitable sealed containers, anyone needing a larger portion or a lighter non-glass container, or readers expecting the container to improve the nutritional quality of a meal.

Check before buying

NST has not tested leak resistance, seal life, break resistance, spoon retention, transport durability or ease of cleaning.

Why it is included

The NST assessment

This exact current UK set replaces a generic portable-breakfast placeholder so its capacity and included parts can be checked. Inclusion is not an endorsement or a nutrition recommendation.

Assessment basis

This assessment uses the product identity, specifications and limitations reviewed for this exact record. It does not claim hands-on testing unless that testing is stated explicitly on this page.

Who this is for, and who can skip it

May find it useful

People who already prepare yoghurt, cereal, overnight oats or similar foods and deliberately want a compact reusable jar-and-spoon format for transport.

May not need it

People who already own suitable sealed containers, anyone needing a larger portion or a lighter non-glass container, or readers expecting the container to improve the nutritional quality of a meal.

Advantages and trade-offs

Advantages

  • Kilner lists a 0.35 litre wide-mouth glass jar, stainless-steel lid and spoon, silicone sealing disc and spoon holder.
  • The manufacturer states that the lid doubles as a 50 g measuring cup and the set includes a recipe and instruction booklet.

Limitations

  • NST has not tested leak resistance, seal life, break resistance, spoon retention, transport durability or ease of cleaning.
  • The 50 g lid capacity does not prescribe a suitable portion; that depends on the food and the person.
  • Glass can break and may be heavier than plastic or stainless-steel alternatives. Follow the current care and use instructions.
  • No price, rating, review count, affiliate link or manufacturer image is recorded.

Alternatives before buying

Any appropriately sized, clean and securely closing container plus ordinary cutlery can serve the same food-preparation purpose.

Update log

What was checked, and when.

  1. Product facts checked

    19 Sept 2026

    Identity, scope and public product facts should be rechecked before new commercial campaigns.

  2. Editorial review recorded

    20 Sept 2026

    Reviewed by Gabriel Silva. Next review 20 Dec 2026.

  3. Retailer link checked

    19 Sept 2026

    The retailer action is optional, disclosed and separate from the evidence basis.

  4. Search visibility

    Indexable

    This route may be eligible for search discovery if other launch checks pass.

Optional product destinations

Check current product details

Product information can change. Check the current Amazon listing before deciding. Affiliate links are labelled beside the relevant button.

Ad · affiliate link

As an Amazon Associate I earn from qualifying purchases.

View retailer details

Link checked 19/09/2026.

Read the full affiliate disclosure

Product details last checked 19 September 2026.

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