Reyes speed bagThe Cleto Reyes Speed Bags have a well-defined detail that helps improve reflexes and coordination on each hit. These bags are specifically made to improve skills for strategy and instinctive while also increasing punch speed. The proper air pressure is about 10 Lbs. Small sizes are recommended for a proficient level. Size: Extra small/5×8″ Small/6×9″ Medium/7×10″ Large/7×11″• Designed with the finest craftsmanship and highest quality material, handmade from Mexico.• Manufactured under the strictest conditions in leather and all materials.• The most recognized speed bags on the market for their durability and fast swing.• Made from genuine leather and tough nylon linings, the top standard materials, to provide long durability and the best punching absorbency with the perfect rebound.• Long lasting material.• Real Leather 100% genuine.