HAZMAT is yet another awesome addition to the SKULL SMASH® product line. This oversized bottle is made of extremely high quality materials, which are designed to safely hold hazardous and bio materials without leaking or spilling. The cap is lined with a leak proof liner, and the threads are deep and solid, ensuring a secure closure. So this bottle is not only virtually indestructible, making your ammonia last longer than anything else out there, it is filled with 4 to 5 times more ammonia than the average sized bottle. If you want the longest lasting bottle you can get, with a reliable, perfect potency punch, look no further than HAZMAT.