Features:100% Brand new and high qualityMaterial: Silicone + GelSize: Length:8cm,Width:5 5cm,Thickness:0 2cm(1 piece)Quantity:20/50/100 piecesThe electrode pad helps to keep health Help to improve blood circulation, promote metabolism and eliminate fatigue Self adhesive, high adhesive, snap-on, convenient to use and reusable Useful and safe accessory for medical care Brand New Quality Stud Tens Machine Electrodes Pads Reusable & Self-adhesiveCan be used for various medium and low frequency physical therapy units with stud connectors Applicable for medical and beauty treatment Safe and Soft: Self-adhesive with hypo-allergenic gel Very soft and elastic, capable of attaching tightly to different parts of human body Reusable: Can be used for many times (Due to personal hygiene reason, it is recommended that electrode pads should be ONLY used by one person ) Notice:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color Please allow 1-2cm differs due to manual measurement includes:20/50/100 x Electrode Slices