Package Quantity: 1pc Turbo Seashells Size:3.5"~4.5"Inch opening size Approx:1.5"~2"Inch These large polished turbo shells will vary slightly in color and shape hermit crab shells come from natural sea shells that is hand-polished, totally safe and premium durable. Beautiful seashell is an nature gift from ocean and also indispensable supplies for hermit crabs Heyiwell Natural Large Jade Banded Turbo Seashells&Hermit Crab Shells 3.5"~4.5" Inch