Feature: Type:Ring Material:Silicone Size:6-12 Gender:Unisex Color:Random Quantity:5 Pcs USA Size Diameter Circumference 6 16.5mm 51.8mm 7 17.3mm 54.4mm 8 18.1mm 56.5mm 9 18.9 mm 59.5mm 10 19.8mm 62.1mm 11 20.0mm 64.6mm 12 21.4mm 67.2mm Descriptions: 1. Made of high quality silicone material, soft, non-Toxic and durable to use. Eco-friendly, Non-Conductive, Non-Porous. 2. The flexibility of this ring is perfect for those with large knuckles or temporary swollen fingers. 3. A gift for your lover, friends, father, mother, elder in anniversary, birthday, festival, father's day, mother's day, Valentines, wedding etc. 4. Great for sports, fitness, exercise, workout, gym, water sports, beach, trekking, climbing, jogging, weight lifting, biking, swimming, diving and hiking or outdoor adventure. 5. Easy to wash, gently wash silicone ring with mild soap and cold water. Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2mm differs due to manual measurement . Metals Type: None CertificateType: GDTC Gender: lovers' Main Stone: Pearl includes:5 x Rings