Robustly constructed from stainless steel, this pack of 7 giant colourful buttons have a pleasingly rounded discus shape with smooth seamless edges and are graduated in size from 50mm to 140mm diameter.Having a metal construction makes our Sensory Reflective Buttons highly durable and with a deluxe feel. They are lightweight, smooth and compellingly tactile to handle. The hand finished mirror surface provides a slightly curved and distorted reflection in a variety of colours, which is fascinating for children to observe. Stainless steel is an ideal material for using in sensory play resources:Chemical free – no toxinsDurable – strong and lightweightHygienic – non-porous and naturally bacteria resistant Sizes: 50mm, 65mm, 80mm, 95mm, 110mm, 125mm and 140mm dia.Suitable for all ages.