What does the blue poly bags look like?. 4 Hazy Blue. 3 Anti-Tampering. 2 Tear Resistance. 1 High-Quality. Tamper Proof ✔ ✔ ✔ ✔ ✔ ✔ ✔. Waterproof & Tear Resistan ✔ ✔ ✔ ✔ ✔ ✔ ✔. Self-Seal ✔ ✔ ✔ ✔ ✔ ✔ ✔.