Please note: In order to maintain the normal market and eliminate counterfeit and inferior products, our products will be upgraded successively At present, the 7cm product has been upgraded and added the anti-counterfeiting logo of ‘nipple cover’ 8cm is still in preparation and will be fully upgraded in the future. For details, please contact online customer service, or refer to the detailed picture description Color: Skin color - 10403C, white - 446C, light coffee color, dark coffee color, black color box, blister pack, color bag Thickness: Super thin Shape of nipple stick: round Function: Invisible Material: solid silica gel Viscous lasting contact joint durable delicate and beautiful