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Not to get all existential on you, but here’s something to ponder. If an Extension Sleeve glows in the forest and no one is around to see it, does it still glow? The answer is probably yes, but this plushy extender from ns novelties’ Firefly collection will definitely glow in your bedroom, and on your or your partners penis/strap-on, too! Forget pumping, pills and complicated enlarger type devices – just slip on the Firefly Glow in the Dark Large Extension Sleeve to add extra length, more thickness and lots more light show potential to playtime. Sliding into place with the help of a favourite water lube, the stretchy Large Extension Sleeve holds tight to your/their shaft. It’s extra soft through the sleeve, but nice and firm up top, plus, it loops securely over the scrotum for a super-secure fit. If you’ve got a penis, or are playing with one, the full coverage design helps with over-stimulation and could even delay orgasm. Win/win! The Firefly Glow in the Dark Large Extension Sleeve is skin safe and extra easy to clean. Use lots of warm soapy water or a good toy care fluid/foam before and after use. Compatible with any favourite water-based lube. For max glow, place your Extension Sleeve under a bright light for a while pre-play. * The Large is approximately 9.25″/23.5cm in un-stretched length and 1.9″/4.8cm thick. Penetrable length is approximately 6″/15.2cm. Base ring stretches from about 1.5″/3.8cm