Syringe Packaging : Pure Hybrid Do-si-do(Cart, Packaging, and all stickers) Items are Non-Refundable and Non-Exchangeable. **PACKAGING ONLY** Syringe Packaging : Pure Hybrid Do-si-do (Cart, Packaging, and all stickers) Put simply, THC oil cartridges are mini tanks that are filled with oils extracted from cannabis plants. Most are 510 thread ...