Base S : inner diameter about 2.7 centimeters ,height about 1.2 centimeters, can hold 40mm balls, and weighs about 350 grams for 100 pieces. Base M, inner diameter about 3.3 centimeters ,height about 1.2 centimeters, can hold 50mm balls, and weighs about 470 grams for 100 pieces. Base L, inner diameter about 3.6 centimeters , height about 2.2 centimeters, can hold a 60mm ball and weighs approximately 20 grams.