Measures approx. 5" x 4" x 4" at its' widest points.

For aquarium use, simply rinse with clean water just as you would when introducing, rocks, gravel or any other decoration to the tank. 

Your purchase will be carefully packed and shipped via USPS with tracking. 

Please note however, that barnacles by their very nature are somewhat fragile.  We take every precaution in handling and packing to ensure a safe arrival.  It is not unheard of for a small piece here or there to dislodge during shipping.  This is normal and should be expected.