The 4 silicone nozzle is 100% soft touch silicone. The adapters are solid ABS construction with a small thread and large thread fitting for a non-leak fit. The kit also comes with a standard thread shower hose adapter and sanitary storage cap.Sanitary Storage CapSoft 100% Soft Touch Silicone 4 (10cm) NozzleSmall Water Bottle AttachmentLarge Water Bottle AttachmentShower Hose AttachmentThis product is safe with all lubricants, completely hypoallergenic, non-irritating and compatible with sensitive skin. Care Instructions:Wash thoroughly with mild soap and warm water or toy cleaner. Pat dry and allow product to completely air dry. Store separately.