DIY Rainbow Sweatshirt Tie Dye Crinkle [Short Tutorial]

90% Cotton 10% Polyester Sweatshirt soaked in a Soda Ash Solution. Soda Ash Solution 1 Cup Sodium Carbonate to 1 Gallon Water #16 and #19 Rubber Bands Procion Mx Fiber Reactive Dyes 4 tsp to 8oz water Thanks for watching. Have fun Dyeing!  ...