Tunnel & Stretchers UK

Anal tunnels and stretchers are open-bore insertable toys, hollow plugs that allow viewing or finger / toy access through the centre. UK retail covers £15-£60 for silicone tunnels; £40-£120 for stainless-steel and glass pieces. This is an advanced anal-toy category, first-time anal users should not start here.

Two design families: tunnels (hollow plug, gives sustained stretch + visible / accessible interior, used in voyeur and viewer scenes) and stretchers / dilators (progressive-size pieces designed to stretch the sphincter over training sessions). Tunnels are sized like standard plugs (1.0-2.0" external diameter); stretcher kits typically include 4-6 progressive sizes.

Safety: flared base mandatory, generous lubricant, build up over time (rapid progression to large sizes risks tissue injury). NHS guidance on anal health applies, listen to the body, stop if pain (vs. comfortable stretch sensation), allow recovery days between training sessions.

Our tunnel and stretcher range covers silicone, glass and stainless-steel designs. All body-safe; flared base. Plain unmarked UK packaging; "BBox Ltd" descriptor; free UK delivery over £30.