Quick answer

A safe anal plug is made of body-safe silicone, has a flared base that stays outside the body, and is sized for your experience level. Start small—about finger-width—and only use plugs with a base wider than the widest part of the bulb.

Why Material Matters for Anal Safety

The anus and rectum are lined with delicate mucous membranes that absorb substances quickly. Porous materials like jelly, PVC, or TPE can harbor bacteria even after cleaning and may contain phthalates or other irritants. Non-porous silicone is the only soft material recommended for anal play because it is hypoallergenic, hygienic, and can be fully sanitized by boiling or using a 10% bleach solution. Tantus uses 100% ultra-premium silicone across its plug lineup, so you don't have to guess about safety.

The Flared Base Rule: Non-Negotiable

An anal plug must have a base that is wider than the bulb of the plug. This prevents the toy from slipping entirely inside the rectum, which would require a medical visit to retrieve. The base should sit comfortably between the cheeks without digging in. The Perfect Plug, for example, uses an anchor-shaped base that tapers to fit flush while remaining wide enough to stay external. Never use a toy without a flared base for anal play, even if it has a pull ring or cord.

Sizing Up Safely

Size is the most common safety mistake. Beginners should choose a plug with a diameter around 1 inch or less—about the width of a finger. The Perfect Plug is only finger-width in diameter, with a narrow head for easy entry and a long, slender neck that is easy to retain. More experienced users can size up gradually, but never jump more than 0.25–0.5 inches in diameter at a time. The Ripple Large offers a graduated bead design that starts at 7/8 inch and builds to 1.5 inches, making it a good intermediate option for those ready to stretch slowly.

Decision Rules for Choosing a Safe Anal Plug

  • Material check: Only buy plugs labeled 100% silicone, glass, or stainless steel. Avoid jelly, PVC, TPE, or any material that doesn't specify 'body-safe.' Silicone is the softest non-porous option for comfort. If it doesn't say silicone, don't use it anally.
  • Flared base test: Before using, confirm the base is wider than the widest part of the bulb. The base should not be able to slip inside even with strong muscle contractions. No flared base = no anal play.
  • Size progression rule: Start with a diameter of 1 inch or less. Increase by no more than 0.25–0.5 inches per step. Use a measuring tape or ruler to check actual diameter, not just the product label. Patience prevents injury.
  • Perfect Plug: The Perfect Plug's smooth silicone surface has an irresistible velvety feel with a narrow head for easy entry. The long, slender neck is tailored to be easily retainable while the anchor base tapers to fit flawlessly between the cheeks. Only a fingers-width in diameter. This is the ideal starting point for beginners: small enough to insert comfortably, shaped to stay in place, and made of body-safe silicone with a secure flared base.
  • Ripple Large: The Large Ripple is a unique combination of anal beads and dildo. The beads start at 7/8" diameter and build gradually to 1-1/2", which makes for a tantalizing ride for both vaginal and anal play. The graduated beads let you stretch at your own pace without skipping sizes, making it a safer intermediate step than jumping straight to a larger single bulb.

Who Should Choose What

Best for

  • First-time users who want a gentle, small plug with a secure anchor base
  • Intermediate users ready for graduated stretching with a single toy

Not for

  • Anyone who needs a vibrating plug (neither product includes vibration)
  • Users seeking a very large plug (the Ripple Large maxes out at 1.5 inches)