Features 1、Made of silicone material, non-toxic and BPA free, durable and wear-resistant. 2、Easy to clean, no dead corner, safe and sanitary for baby to use. 3、Functional colors match everything, and are truly gender neutral for baby girl and boy. 4、A soft silicone ring easily attached to child's comforter and clothing. 5、O-Ring/Gasket, tri-clover (Tri-clamp) Heater with highest chemical resistence. Specification Description: The items are made of silicone material, non-toxic and BPA free, durable and wear-resistant. A soft silicone ring easily attached to child's comforter and clothing. Functional colors match everything, and are truly gender neutral for baby girl and boy. Features: Made of silicone material, non-toxic and BPA free, durable and wear-resistant. Easy to clean, no dead corner, safe and sanitary for baby to use. Functional colors match everything, and are truly gender neutral for baby girl and boy. A soft silicone ring easily attached to child's comforter and clothing. O-Ring/Gasket, tri-clover (Tri-clamp) Heater with highest chemical resistence. Specification: Condition: 100% Brand New Material: Silicon Quality: 20 Color: Transparent / Blue / White / Black / Pink (Optional) Diameter: 2.5cm / 0.98 inch (appr.) Package Included: 20 x Silicone O-rings Baby Pacifier Clips