Product Details: Materal: Chloroprene rubber, free of latex. Specifications: 60cc--24.5*5.5 Interface: 15mm Standard connector(suitable for most anesthesia machines). package: Bags and boxes Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.please refer to the actual product.