Strap-On Buying Guide: Harness Fit, Size, Materials and Compatibility

Use this as the main strap-on buying guide. It brings together the core specifications shoppers should compare before choosing a system, while the related guides below cover individual topics in more depth.

Start with the harness and attachment system

Check adjustment range, closure design and the attachment method. Separate components need compatible dimensions.

Compare size by measurements

Compare total length, insertable length and diameter when those specifications are available.

Check material and firmness

Material influences firmness, flexibility, cleaning requirements and storage. Follow the manufacturer's instructions for the specific material.

Confirm component compatibility

For separate harness-and-toy systems, verify that attachment dimensions work together. For complete kits, check exactly what is included.

Choose relevant features

Compare adjustability, interchangeable components and optional powered features according to your requirements.

Browse Strap-Ons & Harnesses to compare current products.

Related strap-on guides

• Beginner Guide
• Harness Fit Guide
• Materials and Size Guide
• Couples Guide