Material: Silicone Weight: Approximately 180g Required Force: ★★☆☆☆ (Soft) Rebound Speed: Slow * Individual differences may exist, and the sensation may vary depending on the amount of force applied. Please use this as a reference only. [Seller Information] [Please Note] - This product is not food. - The bag may break during transportation or due to temperature changes. Please be aware of this. In such cases, please use the included replacement bag or a commercially available transparent PVC or food-grade bag. - Please check the product condition in the images. [Shipping] Instant purchase OK! We offer discounts for bulk purchases. Please see my profile for details. ✨