Designed for safe and comfortable insertion. Common materials include soft silicone, stainless steel, and glass—each offering different sensations and levels of firmness. Most plugs feature a tapered tip for easy insertion and a flared base for safe use. Sizes vary to suit all experience levels, from beginners to advanced users. Often used for warm-up, training, or prolonged wear, butt plugs are a versatile and beginner-friendly choice for anyone exploring anal play.