1. Material: silicone 2. Size: about 6x3x3 cm/piece 3. Weight: about 14 grams/piece 4. Purpose: anti-overflow tool for pot cover 5. Features: unique shape, beautiful and practical, exquisite and small, food-grade material, healthy and environmentally friendly, safe and non-toxic, resistant to high temperature and not easy to deform, durable, easy to clean