4 Beautiful Medium Large Sea Shells Natural - For Crafts Hermit Crab Growth Shells Aquarium Decor HCSA16 All Natural Seashells By AG - 4 Beautiful Medium Large Sea Shells Natural HCSA16 Sea shells measure ~1 1/4 up to 2" wide. Mouth openings measure ~1/2 of the shell size (Shell types may vary depending on season!) Excellent for beach crafts, nautical decor, aquarium decorations, floral arrangements, gift baskets, vase fillers, beach weddings, vase fillers, etc. Also great homes for pet hermit crabs! All natural wood/floral/seashells will have imperfections and may have slight variations in size/color as they appear to in nature! Please check size to make sure they fit your purpose!