Features: Material: Silicone + Gel Size: Length:8cm,Width:5.5cm,Thickness:0.2cm(1 piece) Quantity:20/50/100 pieces The 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. Can 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