Glass charm/seat marker blanks ready for you to personalise. Available in clear, white, black, red, green or our range of pastel colours. All charms measure approximately 59mm at their biggest dimension but width and heights may vary to maintain a correct ratio and have a 3mm wide slot, Made from 3mm premium cast acrylic. All our 3mm blanks are made from premium quality cast acrylic and may be suitable for sublimation.