1 Jumbo Hermit Crab Growth Shell Pet Care Kit Water Dish Sponge Set Extra Large Sea Shell HCSA09 By AG 100% Genuine Seashells By AG - 1 Jumbo Hermit Crab Growth Shell Pet Care Kit Water Dish Sponge Set Extra Large Sea Shell HCSA09 Seashell measures ~3-3 1/4" wide with opening of ~1- 1 1/2" Excellent for beach crafts, nautical decor, fairy gardens, miniature gardens, beach wedding decor, vase fillers, etc. Nice homes also for pet hermit crabs and great as aquarium decor for your fish! Care Kit includes a natural shell to be used as a water dish and sponge. All natural wood/floral/seashells will have imperfections and may have slight variations in size/color as they are a product of nature. Please check size to make sure they fit your purpose!