SIZE - this large seashells measure about 5.5 - 6.3 inchBEST DECORATION - this natural decorative shells Perfect for making Christmas decorations, nautical decorations, ornaments, flower arrangements and garlands, and beach party decorations!Make beautiful and vibrant decorations for family living rooms, dining tables, bedrooms, art galleries, luau parties, restaurant decorations and more.Perfect for aquariums decor - this shell decoration can use as betta fish house and aquarium hideout?its sure to make your tank even more beautiful!