This product is proudly made by KEIKO of the YouTube [Best Body Life] with over 200,000 Channels. An essential item to enhance your body makeup, including beautiful buttocks. Comes with a training instructional video to help you get the best possible results possible. Do you train with a matching elastic band with KEIKO band? After you read the QR code on the included card and register to LINE@, you will receive 10 exclusive instructions videos and 1 5-minute training video. In addition, we will deliver training videos at any time with a limited edition release from LINE@. You can see the YouTube [Best Body Life] here. https://www.youtube.com/channel/UCFq6-y2AM13SvD-nnaUZ6OA waiting for "Channel Registeration" and "Like" ♪ (NOTE) This is only the original KEIKO product. Beware of imitations.