Help 
Product Overview
The color coded weighted balls are small enough and flexible enough to grasp with one hand, yet big enough to hold with two hands. Available in 6 weights ranging from 1.1 pounds through 6.6 pounds (0.5 kg to 3 kg.) while maintaining a constant 5" (12.7 cm) diameter. Balls are soft and comfortably conform to your grasp. Use a bicycle pump to inflate/deflate to make ball harder/easier to grasp.
10-3160 - Tan - 5" Diameter - 1.1 Lb 10-3161 - Yellow - 5" Diameter - 2.2 Lb 10-3162 - Red - 5" Diameter - 3.3 Lb 10-3163 - Green - 5" Diameter - 4.4 Lb 10-3164 - Blue - 5" Diameter - 5.5 Lb 10-3165 - Black - 5" Diameter - 6.6 Lb 10-3166 - 6-Piece Set (1 Each: Tan, Yellow, Red, Green, Blue, Black)
