[Compatible with: Samsung Galaxy J7 Perx, Samsung Galaxy J7 V, Samsung Galaxy J7 Sky Pro, Samsung Galaxy Halo, Samsung Galaxy J7 2017. Not compatible with Samsung Galaxy J7 (2016)(2015).]The liquid is WHITE MINERAL OIL ,which is harmless to our skin. [Made of high grade TPU material, soft and lightweight] Galaxy J7(2017) glitter case which is safe and protective, light weight which fits your phone perfectly. [You can access all buttons with the case] Perfect cutouts and slim design allow you to maximize the functionality of your galaxy J7(2017). [Liquid case for galaxy J7(2017)]Liquid can move freely, just like the stars floating in the water, will make much fun to you and your friends or family. [Perfect as a gift for your daughter,granddaughter,girlfriend,wife,friends on her birthday or holiday.she will love it.]