Easy to use- no semen manipulation required. The only USDA-APHIS approved for international shipping. University tested for consistent quality assurance. No container tracking or deposits neded. When tested under various external conditions at 24 hours, results proved 80.67% total motility average, 51.33% progressive motility average, and exceeded 77 hours long-range cooling. Outer packaging consist of a double wall corrugated box does not require any sealing tape to ship. Inner packing consist of 1.625" thick polystrene with recessed die-cut cavity for capped, product-full syringe, gel pack and polystrene divider.