We consider him a small/medium size and will be up to 1.5 inches. Includes an extra shell. Their shells are very pretty - they are natural shells that have been cleaned and polished. We also offer in our Amazon Store: pack of 2 live hermit crabs and also complete hermit crab kits. www.amazon.com/shops/naturegiftstore Manufacturered by Nature Gift Store. Hermit Crabs are not actually hermits. They are very social creatures and like company. Please only purchase a single crab if you already have one that needs company. Otherwise visit our store to buy a pair. GUARANTEED! We guarantee LIVE arrival of your crab. ****DO NOT ORDER if below 40 degrees or above 85 degrees in your area. Our live arrival guaranty will be void if ordered during these temperatures. YOU ARE RESPONSIBLE FOR CHECKING TEMPERATURES IN YOUR AREA to be sure your crab arrives alive.**** We ship this item via USPS (post office) within 4 business days. 1 Live 'Purple Pincher' Hermit Crab shipped to your house right now. PLUS a 4oz bag of FMR crab food a healthy diet to satisfy all the nutritional needs of your pet hermit crabs.