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External Size:

7.9” Length x 6.8” Girth

(1 customer review)


The Balboa is a big penis sleeve with an insertable length of about 7.3”, a girth of about 6.8”, and an inner hole girth of  5”.  You can customize the length for a perfect fit with an Adjustable Inner Rod & you can customize the girth with a Girth Enhancer.

balboa model

Girth Enhancer Kit: The enhancer allows you to insert yourself into a sleeve of a large hole girth size. Each kit comes with four (4) uniquely sized premium soft rollable silicone tubes.

An instructional YouTube video can be found here: "Using an enhancer"

Adjustable Inner Rod: The insertable silicone rod can act as an erection aid to fill the air gap between the head of your penis and the end of the sleeve.



  • A Large Girth:  The Balboa has an outer girth of 6.8 inches that is perfect for experienced couples.
  • Plumb Glans/Head:  The Balboa has a wide plumb head. Very enjoyable to many.
  • Long Length:  This big penis sleeve has a length of about 8 inches and an insertable of about 7.3 inches. 
  • Hole Girth: The Balboa has two inner hole girth options of 5 inches.
  • Adjustable Inner Rod:  You have the option to include an Adjustable Inner Rod to create the perfect Balboa for you.
  • The Grip:   Each RX Sleeve comes with our harness system consisting of a 60″ belt and soft/comfortable testicle loop, known as “The Grip”. This helps to keep your sleeve in place.
  • Repair or Replace Warranty:  Should anything happen to your sleeve, the $125 Repair or Replace Warranty gives you peace of mind.


RX Sleeve proudly introduces Balboa, the big penis sleeve designed to address all the ED problems getting in the way of you and a fulfilling sex life. Leave your intimacy issues behind forever when you invest in a realistic penis sleeve by RX Sleeve. Created specifically to improve your sexual health, Balboa is the product that will help get you back the confidence you deserve and rekindle passion with your partner.

The external size of Balboa measures at about 8” (length) x 6.8” (girth), and the inside hole length is 5.5”. With this impressively sizable girth, Balboa is a big penis sleeve intended for use by experienced couples. The length is measured from the tip of the penis head to the base, and the girth is measured approximately at mid-shaft. Your partner can expect to enjoy insertion of about 7.3”.

Balboa and all RX Sleeve products are made with integrity out of certified “Skin Safe” Platinum Silicone. Balboa is a large penis sleeve sporting incredible quality and attention to detail. All RX Sleeve products are equipped with “The Grip”, our revolutionary harness system that will help keep your sleeve securely in place during intercourse.

As with all of our products, Balboa comes in three color options to choose from so you’re sure to get the most realistic sleeve available.

With the option to include an adjustable inner rod, the user can confidently penetrate his partner even when not fully erect. Feel confident with this big penis sleeve from RX Sleeve. Find out why our customers rave about Balboa by checking out customer testimonials here.

*Note: all sizes may vary slightly.
**Sold as a novelty item.

1 review for Balboa

  1. RX Sleeve Custom avatar


    I love these sleeves! I used the Surfside model which reminds me of a solid erection I used to have, then I ordered the Mac Daddy “Balboa”, yeah , yeah…I thought Rocky, but hey they both worked great!!

    – Decatur, Indiana

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