Yes, cardboard boxes can be safe for hedgehogs when used properly. They can serve as a cozy hiding spot or a play area. Hedgehogs are naturally curious and enjoy exploring new environments, and a cardboard box can provide them with a sense of security. Here are some tips to ensure safety:

1. **Size and Stability**: Ensure the box is large enough for your hedgehog to move around comfortably. It should be stable so it doesn't tip over easily.

2. **Non-Toxic Materials**: Make sure the cardboard is free from harmful chemicals or inks. Avoid boxes that have been treated with pesticides or other toxic substances.

3. **Ventilation**: Ensure the box has enough ventilation holes so that your hedgehog can breathe easily.

4. **No Sharp Edges**: Check for any sharp edges or staples that could harm your hedgehog.

5. **Supervision**: Always supervise your hedgehog while they are in the box, especially if they are chewing on the cardboard, to prevent ingestion of any material that could cause blockages.

6. **Regular Cleaning**: Keep the box clean to avoid any buildup of waste or bacteria that could harm your hedgehog’s health.

In summary, cardboard boxes can be a fun and safe addition to your hedgehog's environment as long as you take the necessary precautions.

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Topics covered in this question:

Hedgehog Care Pet Safety Cardboard Boxes