Sculpey's Premo modelling polymer clay hardens in oven at 130° C (275° F), 30 mn for 6 mm thickness. Its flexibility is 2 out of 4 (the firmest) and makes it easy to condition. this clay is soft enough to blend easily but firm enough to hold fine detail and for specialized techniques. It’s perfect for caning, mokume gane. Because Premo retains flexibility, the finished product remains very strong and durable.

Sculpey Premo clay is available in 55 colors ranging from opaque to metallic, translucent, glitter, imitation stone, pearl and more.
It comes in 57 g (2 oz) blocks, some of them in 227 g (8 oz) blocks and 454 g (1 lb) blocks.