⭐ Why You’ll Love It

• Designed for Live Sea Urchins – Made to sit securely on urchins as they move

• PETG Construction – Strong, durable, and suitable for saltwater aquariums

• Reef-Tank Friendly – Designed for marine environments

• Multiple Sizes Available – Choose the best fit for your urchin

• Multiple Color Options – Add personality to your tank

These Sea Urchin Hats are designed specifically to be worn by live sea urchins in saltwater aquariums. Made from PETG, they are durable, reef-safe, and built to hold up in marine environments.

Sea urchins naturally pick up and carry objects — these hats give them a fun, aquarium-safe accessory while maintaining functionality and durability. Available in multiple sizes and colors, they can be matched to different species and tank setups.

🎁 What’s Included

• 6 Sea Urchin Hats — 3D printed from PETG

(Size and color depend on the option selected.)

❓ Frequently Asked Questions

What are these used for?

They’re designed to be worn by live sea urchins in saltwater aquariums, taking advantage of their natural behavior of carrying objects.

Are these safe for saltwater tanks?

Yes — they are 3D printed from PETG, which is durable and suitable for saltwater aquarium use.

What sizes are available?

Multiple sizes are available to fit different sea urchins. Please select the appropriate size option.

Are different colors available?

Yes — multiple colors are available. Color options may vary.

Is this a toy?

No — this is an aquarium accessory intended for use in marine tanks.

Size: 3/4"