These 26 inch Escrima/Kali sticks are constructed with a PVC inner core covered in 1/4 inch thick foam, weighing approximately 7 ounces. Foam Escrima sticks are for safe weapon sparring. These Escrima sticks allow beginners to learn effective sparring techniques without risk of injury. Escrima also known as Kali or Arnis is the national sport and martial art of the Philippines.