Ship small, tamper-proof liquid samples using Labelmaster's Aluminum Bottles & Caps. Available in sizes from 4 to 84 oz., the bottles feature a one-piece body construction made of 99.5% pure aluminum 1050A and meet UN standards for single packaging. The poly caps are highlighted by a tamper-evident tear-off locking flange for added security, while poly plugs are constructed of LDPE with a pull-off ring. Enjoy worry-free shipping of your liquid samples and orders. We go to great lengths to ensure our bottles securely store your contents and safely arrive in the same condition as when they left.