Size Details--The plastic bottle flip tops is about 32mm/1.26 inch wide, 34mm/1.34 inch long, 26mm/1 inch thick, 28mm/1.1 inch inner diameter. To ensure compatibility with your bottle, please check the size carefully before buying Sufficient Quantity--You will receive 36pcs screw caps, the quantity is enough to meet your daily needs, you can use this water bottle cap to replace all the suitable water bottles, more convenient for daily use Plastic Material--The dispensing cap is made of plastic material, good toughness, long service life, not easy to deform, can be washed repeatedly and can be reused after drying Wide Application--Perfect for viscous materials like shampoo, lotion, moisturizer, oil. The versatile cap is great for dispensing many different products from art paints to cleaning & beauty products Practical Design--The replaceable bottle cap has a flip-top design that ensures a good seal while providing easy access, while the threaded edge helps you grip the cap easily when tightening or loosening the snap cap