Rubber sole??About Size: size in size, so please choose the size you usually wear??Heels Height:1.5cm ,flat sandals,suitable for many occasions,dress,party,wedding,casual walk,when walk in even long time not feel tired??Chains:buckle design, you can adjust the lenth of chains to fit you well??The upper material made of high quality PU leather,sole made of non-slip rubber,suitable for indoors and outdoors,perfect as gifts for friend,lover and family member.