Material: Silicone Weight: Approximately 205g Required Strength: ★★★★☆ (Slightly Firm) Rebound Speed: Slow * Individual differences may exist, and the feel may vary depending on the amount of force applied. Please use this as a reference only. [Seller] #Daydream [Please Note] - This product is not food. - The bag may break due to transportation or temperature changes. Please be aware of this. In such cases, please use the included replacement bag or a commercially available transparent bag. - Please check the product condition in the images. [Shipping] Instant purchase OK! We offer discounts for bulk purchases. Please see our profile for details. ✨