Oster MyBlend Sport Bottle BLSTAV-WRS
- Additional Features: Carrying Loop
- Age Range Description: Adult
- Bottle Type: Standard Bottle
- Capacity: 1.3 Pounds
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
The specs point to a plastic blending bottle for adults rather than an infant bottle, so shoppers looking for baby feeding gear should look elsewhere.
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ASIN: B07QDZWSKVCategory: Blender Replacement Bottles
Overview
Despite sitting under the baby bottles category, the Oster BLSTAV-WRS is listed with an adult age range and a plastic build, which points to a blending bottle or personal blending jar rather than an infant feeding bottle. Oster is best known for blenders and kitchen appliances, not baby gear.
The category label here does not match the product data. An adult age range and a capacity given in pounds rather than fluid ounces both point away from infant feeding equipment and toward a to-go blending cup, the kind of accessory Oster sells for its blender lineup.
- Plastic material
- Adult age range per spec sheet
- 1.3 lb capacity rating
- Single pack count
Who it's for
This listing reads as a plastic blending bottle or jar, likely meant to add to or replace a cup on an Oster blender. It does not read as a baby product despite where it is filed.
Pros and cons
- Plastic construction typical of blending jars
- Category label conflicts with adult age range
- No stated blender base compatibility
- Capacity given by weight, not fluid ounces
Performance notes
The listing does not name which Oster blender base the bottle threads onto, so confirm base or blade compatibility separately before ordering. Capacity is given as 1.3 pounds rather than a fluid measurement, which fits a blending jar spec sheet more than an infant bottle listing.
Specifications
| Brand | Oster |
|---|---|
| Capacity & performance | |
| Age Range Description | Adult |
| Capacity | 1.3 Pounds |
| Construction & materials | |
| Color | Red |
| Material Type | Plastic |
| Included components | |
| Unit Count | 1.0 Count |
| Other details | |
| Additional Features | Carrying Loop |
| Bottle Type | Standard Bottle |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Sports, Protein Shakes |
| Reusability | Reusable |
| Shape | Cylindrical |
| Specific Uses For Product | Sports activities, outdoor adventures, daily use |
Frequently asked questions
Is the Oster BLSTAV-WRS actually a baby bottle?
The category says bottles, but the age range is listed as Adult, pointing to a blending cup or jar rather than an infant feeding bottle.
What is the BLSTAV-WRS made of?
Plastic, according to the listed material.
Does it fit a specific Oster blender?
The data provided does not name a compatible blender base, so confirm fit before buying.