This set includes 20 curtain rings with hooks, featuring a 32mm internal diameter. The metal rings are sturdy and designed for a tight fit to prevent curtains from falling. They are suitable for curtain rods up to 28mm in diameter. The plastic hooks are 2.8cm high and 1.2cm wide. These rings and hooks are easy to install, making them a convenient solution for hanging various types of curtains, including shower curtains and window curtains. The product is available in a silver finish.