Note: The color is according to the first picture,the quantity and size are according to the title,if the title is not clearly written,according to the . Our products Features: 100 percent Brand new and high quality Material: Silicone and Gel Size: Length:8cm,Width:5.5cm,Thickness:0.2cm(1 piece) Quantity:20 or 50 or 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. Brand New Quality Stud Tens Machine Electrodes Pads Reusable Self-adhesive 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 or 50 or 100 x Electrode Slices