You'll receive a 15ml bottle of Abamectin 2%. Larger bottles sell for over $100 and can make many gallons of miticide spray, much more than the home gardener could use. This repackaged Avid miticide is the perfect size for the home gardener to use. Spiders mites are the scourge of many plants, dahlias included and are nearly impossible to rid your garden of with organic pesticides. We've tried everything when we experience spider mite infestations and Abamectin 2% is the ONLY thing has worked for us.Also works on: Mites, European Red Mite, Twospotted Spider Mite, Carmine Spider Mite, Southern Red Mite, Spruce Spider Mite, Tarsonemid Mites, Cyclamen Mites, Broad Mites, Eriophyid Mites, Rust Mites, Bud Mites, Liriomyza Leafminers, Boxwood Leafminer, Aphids, Thrips, WhitefliesIMPORTANT READ ME!This stuff is VERY poisonous and has strong fumes. Your MUST be careful using it. Dilute your bottle in water OUTSIDE, and wear a respirator and gloves while doings so. Wear gloves while spraying your plants as well, and carefully dispose of your gloves. Keep your miticide and sprayer bottle up high and out of reach of children and pets.