For companies looking to explore new ideas, PET bottle design offers flexibility that goes far beyond traditional applications.
The use of PET bottles has long gone beyond standard liquid packaging. As a 100% recyclable material with excellent forming capabilities, PET is increasingly seen not only as a container, but as a material that can be shaped into highly specific, functional products.
For companies looking to explore new ideas, PET bottle design offers flexibility that goes far beyond traditional applications. It allows the creation of fully personalized solutions, tailored not only to packaging needs, but to entirely new product concepts.
One such project was developed for the WAUDOG brand of COLLAR Company.

Product Idea
WAUDOG brand is part of COLLAR Company, an international manufacturer of pet products headquartered in Ukraine. The company’s portfolio includes multiple in-house brands, with products supplied to more than 80 countries worldwide. With an international presence, the brand focuses on creating products that are both practical and engaging.
WAUDOG follows this approach by developing products that combine practical use with engaging design and experience.
The idea behind WAUDOG Fun Crush was based on a clear behavioral insight. Dogs are naturally attracted to chewing and squeaking toys, responding to both sound and mechanical feedback during play. The idea was to reproduce this interaction using a PET bottle as the core functional element. The goal was to transform this behavior into a safe, durable, and well-designed solution suitable for frequent play.
The result is a lightweight, interactive dog toy built around a PET bottle as its core functional element, combining engineered structure with play-oriented design. This is a unique, personalized bottle design solution for the client, which was also realized in blow molds for bottle production.
Bottle Design and Engineering Approach
The bottle became the toy itself. Its geometry was developed specifically for this application:
This ribbed middle section plays a key role. It helps the bottle maintain its shape under repeated compression while also making it easier for the dog to grip and chew.

How the Toy Works
At the core of WAUDOG Fun Crush is a simple but effective combination of elements:
When the dog interacts with the toy:
This combination creates a more engaging play experience by reproducing the types of sound and feedback dogs naturally respond to.

Functional Advantages
Beyond the core concept, the bottle design includes several practical features that improve usability and durability.
The product is best suited for:

Engineering Perspective
For a client exploring unusual or non-standard bottle applications, this project demonstrates how PET bottle design can be adapted beyond traditional packaging by PET Technologies.
Instead of focusing on liquid containment, the development process addressed:
This approach allows clients to go beyond conventional solutions and develop products where the bottle becomes a functional part of the design.
For your bottle design, you can expect:

Conclusion
The WAUDOG Fun Crush project shows how a PET bottle for your project can be transformed into a functional product far beyond its traditional role.
It highlights how engineering, material properties, and design can meet unique product requirements.
For clients, this means the ability to develop fully personalized bottle designs tailored to specific ideas and applications. With the right approach, PET becomes not just packaging, but part of the product itself.