Travel bottles

Pitotubes (199 E. 52nd, Ste. 362, Boise, ID 83714; 208/853-1416, www.pitotubes.com) offers TSA-compliant travel containers. All the bottles hold fewer than three ounces and are shatterproof, leak-proof (even under pressure changes) and refillable. Tops can interchange a pump or spray head.

Bottles and small jars at $5 to $10 each are sold at various retail stores and online. The biggest kit includes six bottles (two each of 0.5, 1.0 and 1.7 ounce) in a quart bag for $52.