The Smart Guide to Penis Extensions for Couples

Penis extensions and enhancers aren’t just about adding length or girth. They can help couples explore intimacy in new ways and keep sex playful, connected, and pressure-free. They’re also a brilliant tool for partners navigating erectile dysfunction (ED) or premature ejaculation, giving you both the chance to enjoy penetrative intimacy even when erections are partial or short-lived.

Here’s what to look for so you can find the right extension for your body, your relationship, and your needs.

ADDING GIRTH AND LENGTH

Extensions and enhancers come in a few different styles, each with its own benefits depending on what you’re hoping to achieve. 

SLIP-ON PENIS EXTENSIONS

This style is a hollow sheath that slips on the penis and is held in place by your own erection. 

Best for: Couples who want a simple, budget-friendly way to experiment with length and texture. Some even have ribbing on the inside to give the wearer some extra thrills as they thrust.

Pros:

• Easy to slip on and off
• Affordable
• Some can be trimmed to match your preferred length
• Some include filler tips to customize the fit

Cons:

• Requires an erection to stay in place
• Can feel heavy at the tip if too long
• May slip off during vigorous play

SLIP-ON PENIS EXTENSIONS WITH BALL STRAPS

This style includes a sturdy ball strap at the end that loops behind the testicles and helps to hold the extension in place.

Best for: Anyone worried about losing their erection mid-play—this style stays put.

Pros:

• Secure fit even if you’re not fully hard
• Won’t slide off during longer sessions
• Easy to clean
• Some feature internal texture for extra stimulation

Cons:

• Slightly trickier to put on (use water-based lube to make it easier)
• May still droop if you lose your erection completely

HOLLOW STRAP-ON PENIS EXTENSIONS

A strap-on harness paired with a hollow dildo that surrounds the penis completely.

Best for: Couples navigating ED, premature ejaculation, or performance anxiety—no erection required.

Pros:

• Sturdy, adjustable, and won’t slip off
• Perfect for experimenting with bigger sizes
• Lets couples enjoy penetration even without an erection

Cons:

• Less sensation for the wearer (try adding lube inside for more movement and feeling)

• Some are firm—look for softer silicone options for comfort (e.g. Fantasy X-Tensions Elite)

PENIS ENHANCERS 

Instead of adding length, these focus on girth and stimulation through textures or vibration. 

Best for: Couples who want more sensation and a tighter feel without dramatically changing size.

Pros:

• Adds extra stimulation for both partners
• Can include textures or vibration for variety

Cons:

• Typically requires an erection for proper fit

Check out Betty's complete collection of penis extensions and enhancers, chosen by our expert staff, at the link below

About the Author: Carolyn Eagle is the founder and creative force behind Betty’s Toy Box, a women-owned and proudly inclusive online boutique redefining sexual wellness retail. Known affectionately as The Pleasure Librarian, Carolyn blends years of experience in business, sexual health education, and pleasure-based advocacy to create a space where curiosity meets confidence. Through her writing, workshops, and educational content, she helps people navigate pleasure and intimacy with honesty, humor, and zero shame. Carolyn’s mission is simple but powerful — to make sexual wellness approachable, informed, and joyful for every body, at every stage of life.