Sizes: Large, Medium, Small. Please read the product image for exact dimensions before . Material and design: Made of stainless steel. The hollow design adds stimulation. Safe and hygienic, easy to clean. Rounded and lightweight with a textured surface. Please maintain hygiene before and after use. Safety and sensation: Body safe and stimulating. Ideal for beginners to enrich your sex life. Smooth surface, easy to insert, and compatible with lubricant to provide a comfortable and stimulating experience. Unisex and ergonomic: This stainless steel butt plug training set is ergonomically designed. Each plug can stimulate various erogenous zones for versatile use. Key benefits: Durable stainless steel construction for longlasting use Hollow design for enhanced sensation Safe, hygienic and easy to clean Three sizes to accommodate progression from beginner to more advanced Rounded shape for comfortable insertion Textured surface for added stimulation Suitable for use with lubricant to improve comfort and effectiveness Unisex, ergonomically designed for versatile stimulation Use scenarios: Solo exploration at home: Start with the smallest size, use a waterbased lubricant, and gradually progress as you become more comfortable. Couple play: Integrate the plugs into foreplay or intimate sessions to heighten sensation for both partners. Progressive training routine: Regularly incorporate the three sizes to build comfort and confidence, moving up as desired. Notes: Maintain hygiene before and after use. Clean thoroughly after each session. Verify sizing and choose the appropriate size for your experience level.