Nestivo

OXO Tot Grow Straw Cup (Dusk)

Cups

Nestivo’s take

The attached lid and removable straw are practical everyday features. Cleaning takes more work than an open cup; check your child can draw liquid comfortably before relying on spill-resistance claims.

Compare OXO Tot Grow Straw Cup (Dusk)

Age & readiness

6 months and over

The Australian Grow Dusk page describes a Transitions 9 oz Straw Cup. Current US retailer guidance for that named Dusk model is 6 months+. This is retailer guidance, not the 8-month age for older Grow cups or a replacement-straw label. Check the supplied cup instructions and drinking readiness.

Named Dusk model overseas retailer guidance

Australian brand — model identity and 9 oz capacity

Manufacturer — Transitions 9 oz model

Product age guidance · Checked 2026-10-30

Scores at a glance

What these scores mean and how we assess them

Low toxins
51 / 100
Performance
71 / 100
Sustainability
45 / 100
Availability
60 / 100
Price / value
48 / 100

Why parents choose it

What to think twice about

Evidence behind the scores

Low toxins — 51 / 100

Incomplete material disclosure limits how confidently we can assess food-contact exposure; a product or material label cannot fill those gaps. Brand states BPA, PVC and phthalate free; exact body polymer not confirmed. Public model-specific migration-test reports were not confirmed.

Food-contact material disclosure

Brand states BPA, PVC and phthalate free; exact body polymer not confirmed.

Score: 5 / 10
What earns 10/10?*

Complete material disclosure by component.

BPA / bisphenol status

BPA-free claim published for this model.

Score: 7 / 10
What earns 10/10?*

Independently verified or complete material evidence.

Phthalate status

Phthalate-free claim published for this model.

Score: 7 / 10
What earns 10/10?*

Independently verified absence.

PFAS / fluorinated coating status

A model-specific PFAS declaration or chemical report was not confirmed.

Score: 3 / 10
What earns 10/10?*

Product-level test or explicit supported absence.

Food-contact migration and safety testing

A current, model-specific food-contact migration report was not confirmed.

Score: 3 / 10
What earns 10/10?*

Accessible recognised food-contact testing.

Hygienic design and cleanability

Dishwasher-safe; remove straw and cap for cleaning.

Score: 7 / 10
What earns 10/10?*

Easy to fully clean with few traps.

Ingredient/material disclosure completeness

Brand states BPA, PVC and phthalate free; exact body polymer not confirmed.

Score: 5 / 10
What earns 10/10?*

Full formulation/component list with functions or composition.

Performance — 71 / 100

The hinged lid stays attached, helping keep parts together, and the straw removes for cleaning. The trade-off is a more involved wash routine: cap, valve and straw need separate attention even though dishwasher care is listed.

Confidence: Medium. Product instructions support the design and cleaning assessment; independent evidence of long-term wear is more limited.

Suitable design and use instructions

Use with supervision and follow the exact model instructions; independent safety testing was not retrieved.

Score: 7 / 10
What earns 10/10?*

Strong applicable safety evidence and design.

Drinking design and spill control

9 oz straw cup with hinged lid. More cleaning parts than an open cup.

Score: 7 / 10
What earns 10/10?*

Excellent function and consistent reviews.

Ease of cleaning

Dishwasher-safe; remove straw and cap for cleaning.

Score: 7 / 10
What earns 10/10?*

Simple, dishwasher/wipe-clean and few crevices.

Durability and repeated-use performance

Designed for repeated use; long-term independent comparisons limited.

Score: 7 / 10
What earns 10/10?*

Robust long-term use.

Everyday handling

Hinged lid keeps the cap attached. Fit, surface and child preference can affect everyday use.

Score: 8 / 10
What earns 10/10?*

Highly practical and intuitive.

Portability

Check lid and drinking design before carrying. Do not assume an open or training cup is leakproof in a bag.

Score: 7 / 10
What earns 10/10?*

A 10/10 benchmark has not yet been defined for this criterion. The highest defined benchmark is 9/10: compact with documented case/fold or low carrying weight.

Sustainability — 45 / 100

The practical sustainability benefit depends on repeated use and care, rather than buying a reusable product and replacing it quickly. Designed for repeated use. Manufacturing energy and whole-product lifecycle impacts remain unconfirmed.

Renewable / plant-based material share

Renewable material share is not established for this model.

Score: 2 / 10
What earns 10/10?*

High quantified renewable share.

Waste and virgin-plastic reduction

Reusable item; no quantified whole-product waste comparison confirmed.

Score: 6 / 10
What earns 10/10?*

Reusable/high displacement of single-use waste.

Durability and reuse lifespan

Repeated-use design; independent lifespan testing not confirmed.

Score: 7 / 10
What earns 10/10?*

Long size range, robust materials, warranty/repair data and reuse evidence.

End-of-life evidence and disposal honesty

A practical Australian take-back or confirmed local recycling route was not found.

Score: 3 / 10
What earns 10/10?*

Precise, evidence-backed disposal limitations and pathways.

Manufacturing powered by renewable energy

Model-specific manufacturing-energy evidence was not confirmed.

Score: 3 / 10
What earns 10/10?*

Independently reported 100% renewable electricity at relevant manufacturing sites.

Manufacturing impact / lifecycle evidence

A whole-product lifecycle comparison was not confirmed.

Score: 3 / 10
What earns 10/10?*

Public product LCA or independently assured impact metrics.

Packaging sustainability

Packaging composition and recycled content were not confirmed.

Score: 3 / 10
What earns 10/10?*

Verified compostable/reusable or high-recycled-content recyclable packaging.

Sourcing transparency

Material origins and supplier traceability are not detailed in the reviewed information.

Score: 3 / 10
What earns 10/10?*

Full product-material provenance and supplier/chain identifiers are documented across all relevant inputs. None of this catalogue is assigned 10 on current records.

Availability — 60 / 100

OXO Australia lists this exact product for local ordering. That is useful access, but the moderate score reflects a documented online option rather than confirmed availability across local shops; your preferred colour and delivery timing may be less convenient.

Retail availability and purchase convenience

Australian listing located; check colour and delivery availability.

Score: 6 / 10
What earns 10/10?*

Broad major-retailer availability.

Price / value — 48 / 100

The high regular price needs to be justified by the hinged lid and straw format working well in daily use. More cleaning parts and limited independent spill evidence weaken the case for paying a premium on features alone. A temporary sale can change the purchase decision, but not the regular-price baseline. AUD $39.95 for the specified item. Observed sale $29.95; regular price used for scoring.

Typical unit / upfront price

AUD $39.95 for the specified item. Observed sale $29.95; regular price used for scoring.

Score: 3 / 10
What earns 10/10?*

Among lowest relevant current prices.

Value for performance / lifetime cost

Specified configuration and repeated-use features considered alongside upfront cost.

Score: 7 / 10
What earns 10/10?*

Excellent performance-to-price or strong lifetime economics.

* Benchmarks describe the scoring rubric, not a guarantee of safety or suitability. Read them alongside the product’s findings and limitations.

Sources & evidence confidence

Exact model reviewed; see evidence limitations.

Product evidence last reviewed: 2026-10-15

General plastics research

These studies explain the wider research behind materials assessment. They do not test this product or establish its safety, chemical content or exposure.