Model Number: RWW-FMD004 Key Specifications/Special Features: Material: PP (food grade), silica gel, silicone rubber andmoreDesigned for faster let down and milk flowErgonomic swivel handle for extra comfortEasy to assemble and cleanWhich conforms to the physiological demand of human bodies andis safe and cozySilica gel sucker stimulates galactophore gently and naturallyto produce more milkThe soft silica-gel pad massage your breast and avoid pain whenexpressing milk, healthier and more complete