Welcome to our shop! Product Features: Physiotherapy electrodes have good self -viscosity and conduction. Factory self -produced gel, sticky and odor supports regulation. Products have multi -purpose and durability. Specification: Square 10x10cm, thickness 3mm Oval 7x10cm, thickness 3mm Glue: Gel Backing Material: Foamed Cotton/ Non-Woven fabric/ PET Color: Black Package Content: 2 x Oval Pads, 1 x Square Pad (Only the above package content, other products are not included.) Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)