1. Material: transparent acrylic glue 2. Function: anti-scratch, anti-bite 3. Application: cat 4. Scope of application: wood, carpet, leather, etc. 5. Size: 2.5/8/4/17.7 inch, S (outer diameter of about 9 cm) / M (outer diameter of about 10 cm) / L (outer diameter of about 11.5 cm) 6. Weight: 2.5 inches S is about 134 grams, 2.5 inches M is about 208 grams, 2.5 inches L is about 385 grams, 4 inches S is about 200 grams, 4 inches M is about 300 grams, 4 inches L is about 570 grams, and 8 inches S is about 385 grams. 460 grams, 8 inches M is about 680 grams, 8 inches L is about 1270 grams, 17.7 inches S is about 989 grams, 17.7 inches M is about 1530 grams, and 17.7 inches L is about 2879 grams
