Feature:1. Material | Composed of premium high borosilicate glass and PVC, the vacuum suction cups for facial cupping treatments are durable and skin - friendly, fit nicely in the hand, will stand up to multiple use without cracking or splitting.2. Size | The kit includes 4 pcs cups have the same height of 3.74 inch/9.5 cm yet different diameters measured 2 inch / 53 mm, 1.4 inch / 36 mm, 0.98 inch / 25 mm and 0.55 inch / 14 mm. Different size for different body parts. Pick and choose one that fits wherever you want to massage.3. Get Your Glow On | Who doesn't like spotless and clear skin? I know you do. The cupping set helps promote blood circulation, rejuvenate skin and make your skin look even more toned plus healthy. Just invest 5 minutes every time and you will see the result.4. Easy&Safe | The cups have the right amount of suction for use on sensitive areas such as around the eyes. Enjoy self-massages at home or physical therapy for your patients. No skills required, no fire needed, designed to leave less cupping bruises than conventional cups to the skin tissue.5. Wherever You Go | Bring the kit anywhere anytime with you. No extra massage tools to take along, these 4 cups can be widely used on whole body. Try having a massage by placing the cups on your neck, shoulders, arms, back, waist and legs to help relieve muscle pain and stress.Instruction:1. Clean the cups and your face, apply oil on your face, squeeze the cups then slowly release it, gently glide the cups across skin with upward and outward motions. Drink warm water after cupping to keep hydrated.2. Use the big cups on broad areas such as cheeks and forehead, the smaller ones are for sensitive areas around eyes and mouth.3. For maximized results, set aside 10 to 15 minutes two times a week.4. A subtle wash of redness as blood begins to flow more freely through the connective tissue.Package Includes:4 x suction cups