No planing permission needed for an extension of this size. The Virgite S9 Penis Sleeve is a 16.4cm realistic sheath that slips right over your manhood and give you that extension you always wanted. Made to look like a real penis with its realistic design and veined shaft, this sheath feels great to. Made from high quality TPE which adapts to your penis due to its flexibility. Real to the touch and silky soft. A stretchy ring to the base to keep your penis sleeve in place.