Silcone knobs for making contact poi, or using on other types of poi. Made from 100% silicone. The light can be set to blink, or full on. The color of the knob, is the same as the color as the LED.
Silicone Round Knob
size 1.5 inch diameter (38 mm)
hole big hole, 16mm wide 17.5mm deep
small hole side 6mm wide 17.5 deep
rubber weight 0.22 ounce (6.3 grams)