Fantastic glow martini cups or glow in the dark cups same principal as glowsticks and they look stunning why not serve a dessert in themsupplied in retail boxes of 4 suitable gifta mix of green yellow blue ampamp pink great for drinks ampamp also dessertsthe glow travels freely around the entire cupglow time 8 hours approxfully uk certifiedh 155cm dia top 125cm dia base 85cm2 year shelf life guaranteedwe guarantee you will not be dissapointed