Relax and unwind at the end of a long day with Proof's 1.5g Indica Pre-Roll Pack. Potency and strain varies per batch, with THC potency testing 20% or higher. 3, .5g prerolls per pack. A family- and woman-owned company, Proof Extracts offers clean, healthy, cannabis-derived CBD and THC products at a reasonable price, to benefit each person's individual body and needs.