We are offering here the 1.5 Oz Mini Jam Jar that is a classic. Itâs instantly recognisable from your stays in hotels and cozy B&Bâs. This small sample jar is perfect for anyone wanting to sell or hand out samples of their products. It is supplied with a variety of caps to suit all requirements and is made from high quality food grade glass. It is an ideal choice for sample sizes or favors at parties and weddings. It is made from cosmetic flint, ensuring that the glass is of the highest clarity. 1.5 Oz Mini Jam Jar is very efficient and useful.