Purchase Notice: Thank you for your interest! This item comes in two sizes, listed on separate product pages. Before ordering, please ensure you select the right size. Detailed size charts are available in the images (from the second image onward) on each listing. If the current size doesn’t suit you, feel free to visit our store for the other option—it may fit your needs better. Any questions? Contact us anytime. We’re happy to help. Happy shopping! 【7 Unique Sizes Natural Sea Shells】This set includes 7 all-natural hermit crab shells in different sizes, ranging from 2 to 2.8 inches in length, with opening sizes between 0.6 and 1.85 inches. Each shell is thoughtfully chosen to offer a variety of sizes for your hermit crabs to choose from. 【Perfect Fit for Growing Hermit Crabs】Specifically designed for small to medium hermit crabs, these shells support natural growth and molting cycles. The variety of sizes ensures your pet can always find a comfortable fit, promoting overall well-being. 【Hand-Selected Natural Quality】Every shell is 100% natural, responsibly sourced, and carefully inspected for durability and safety. Free from chemicals and artificial processing, these shells provide a secure and healthy environment for your hermit crabs. 【Multi-Purpose Use】Beyond hermits crab habitats, these beautiful shells are perfect for DIY crafts, home décor, aquarium landscaping, beach-themed projects, and educational displays. Unleash your creativity with versatile natural elements. 【Customer Satisfaction Promise】We are committed to providing high-quality products and excellent service. All shell sizes are manually measured, and the actual items may slightly vary from those shown on the webpage. If you have any questions, please reach out—we’re here to help ensure you and your pets are happy. 7PCS Medium Large Hermit Crab Shells | Natural Sea Conch Size 2"-2.8" | Mixed Turbo Seashells Set for Small to Medium Hermit Crab Supplies, Saltwater Crab Habitat and Beach Decor Sea Shells