CSI Cyper WSP Cypermethrin Insecticide, Water-Soluble Packets 4ct (4 x .33oz) Cyper WSP is an economical pyrethroid that provides fast knockdown and residual control of more than 30 different pests Control ants, spiders, cockroaches and other insects using Cypermethrin contained in 4 water soluble packets (WSP) per envelope Made in United States Can not ship to CT or NY