Functional Dimensions: Measuring approximately 2.75 inches (68mm) in diameter and 1.5 inches (35mm) tall without a cup, the coaster is designed to accommodate standard-sized drinkware. It's important to note that lighter glassware may not activate the interactive feature effectively, so using cups of appropriate weight is recommended. Unique Gift: Its charming design and functionality make it an excellent gift choice for various occasions,such as housewarmings, birthdays, or holidays, especially for those who appreciate whimsical and practical items. Premium Materials: Crafted from durable, heat and water-resistant PETG plastic, this coaster ensures longevity and easy maintenance. The material's resilience makes it suitable for daily use, protecting your surfaces from heat and moisture without compromising on style. Realistic Aesthetics: The coaster features a textured shell design, mimicking the appearance of a real turtle. The Rainbow Shell option offers a unique, multicolored effect, with each piece showcasing a distinct pattern, adding a personalized touch to your decor. Interactive Design: This 3D-printed Turtle Coaster adds a playful touch to your space. When a cup weighing approximately 8 ounces is placed on its back, the turtle's limbs and head lift, revealing a surprised expression. This interactive feature not only serves as a functional coaster but also as a delightful conversation starter.