C & S Products 1-1/2-Ounce Squirrel Away, 18-Piece Does not harm squirrels or birds Enough powder to add to 25-pound of wild bird seed Squirrel Away is made from Capsicum peppers the naturally occurring substance in capsicum peppers that makes the hot pepper so spicy is distasteful to mammals Squirrels will not eat the seed, but it does not repel Wild Birds Treated bird seed in your bird feeders will teach a squirrel quickly not to visit