Slam balls are made of rubber and filled with sand. They are more resistant than traditional medicine balls and can be thrown with force against the ground. No rebound action. Surface shaped for better grip. Suitable for cross training and High intensity fitness activities. o’live Slam Balls Ref: Measure: Weight: BA08901.00 ø22 cm 3 kg BA08902.00 ø22 cm 6 kg BA08903.001 ø22 cm 9 kg BA08904.00 ø29 cm 12 kg BA08905.001 ø29 cm 15 kg BA08906.00 ø29 cm 20 kg BA08907.00 ø29 cm 25 kg BA08908.00 ø29 cm 30 kg o’live Medicine Balls with Handles Ref: Weight: BA09201.01 4 kg Made of rubber, PVC Free, with two handles for better grip and easy exercise execution. BA09202.01 5 kg BA09203.01 6 kg BA09204.01 7 kg BA09205.01 8 kg BA09206.01 3 kg BA09207.01 9 kg BA09208.01 10 kg www.olive-fitness.com