[good Sealing]: Each Test Tube Comes With A Fitting Push Cap To Prevents Liquid From Leaking, Sealed Performance Is Good. [ Parant]: Clear Test Tubes Can See And Identify The Internal Contents Clearly. You Can Make Diy Design By Yourself, And Its Great For As A Gift For Your Kids And Friends. [multiple Use]: These Plastic Test Tubes Great For Storing Sweet, Cookies, Nuts, Candy, Handmade Crafts, Samples, Liquids And Small Items. Especially Applicable During Daily Life Storage, Decoration, Gift, And More. Specification: Colour: Parent Color + White Material:ps Capacity: 3ml Size:12x75mm Package Contents: 100 X Plastic Test Tube With Cap Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.