Features These adorable little test tubes are ideal for kids . They are durable and safe plastic . You can filling them with products such as tea leaves, bath salts, dried flowers etc . Fill them with anything from mini jelly beans, cordial, confetti etc and you have a favour fit for a great party!. Reusable,hand washable in warm water. Not suitable for autoclaving Specification: Material : Polyethylene &wood Size:15x150mm/0.59x5.90inch Capacity: 20ml Color:Transparent Package includes: 1/10/20/30/40/50/100 X Tube With Cork Stopper .