Design: new color button design and this stand-alone button is detachable. protection: high-grade polycarbonate and tpu materials , soft siders and corners create enhanced security during drops and falls; case is 0.7mm higher than phone heavy duty : pc matte backbaord, anti fingerprint, good feel - enhances the look of your smartphone while guarding against scratches and other damage anti slip :- made of perfect anti slip grip material provides excellent hand feeling with sides non slip design please note this cover is not made of leather . shockproof dual layer :- new premium urban dual layer design combines soft tpu with high q