Designed by Pros for those who want to play like one. Refine throwing mechanics, reduce risk of injury, and increase velocity on the mound or in the field for players of all skill levels. REALISTIC RAISED SEAMS & ELEPHANT PRINT TEXTURE. This combination mimics the feel of a baseball to provide enhanced grip and feel that enables optimal spin efficiency and control. DURABLE CONSTRUCTION & FINISH TO MAXIMIZE LONGEVITY. Our inflatable soft shell weighted balls are built to withstand the rigors of intense training and perform in all weather conditions. Benefits can be seen when used in conjuction with a comprehensive training program. SET INCLUDES 7 WEIGHTED BALLS LABELED IN OUNCES & GRAMS: 3.5 oz / 99.22 g, 5 oz / 141.75 g, 7 oz / 198.45 g, 14 oz / 396.89 g, 21 oz / 595.34 g, 32 oz / 907.19 g, 48 oz / 1360.78 g. With 7 different weight options players can easily tailor their training and provide them everything they need for a comprehensive training program. Drawstring carry bag included.