●Suitable for laboratory, bar, exhibition, family party and other special festival. ●Can contain 12 test tubes or cocktail cups whose diameter is less than 16 mm/0.63inch. ●Made of acrylic, clear, glossy, no miscellaneous points, quite elegant. ●Every slot is designed regularly without much burr, can hold the cups firmly ●Sturdy construction, strong impact-resistance, non-toxic and tasteless.