## Common ground
All options are inflatable cushions, designed to provide temporary support or comfort using air-filled chambers.
## Options at a glance
**3926.90 – Made of plastic material**
- **Defining trait:** Constructed primarily from synthetic plastic films (e.g., PVC, PE).
- **Typical examples:** Inflatable pool floats, plastic camping pads, party inflatables.
- **Best fit when:** The cushion is lightweight, often used outdoors or for recreation, and made from flexible plastic sheets.
**4016.95 – Made of rubber**
- **Defining trait:** Manufactured from natural or synthetic rubber, offering higher durability and air retention.
- **Typical examples:** Inflatable rescue cushions, heavy-duty industrial pads, rubber air mattresses.
- **Best fit when:** The cushion requires long-term use, resistance to punctures, or high pressure tolerance.
## Key differences
| Feature | 3926.90 (Plastic) | 4016.95 (Rubber) |
|---------------------|--------------------------|----------------------------|
| Material | Plastic film (PVC/PE) | Natural/synthetic rubber |
| Durability | Moderate | High |
| Air retention | Lower | Higher |
| Typical use | Recreational, short-term | Industrial, safety, long-term |
## How to choose
- Is the cushion made from a flexible plastic sheet (like PVC or polyethylene)? → 3926.90
- Does it feel thick, bouncy, and designed for heavy use or safety? → 4016.95
## Overlaps & pitfalls
A cushion may use both rubber and plastic in layers (e.g., rubber base with plastic cover), but the primary material determines classification. If unclear, prioritize the dominant material. No option is vague—both are well-defined by material type