Made from high quality plastic. 

Various sizes available. 

V11 - 10 x 11 x 11cm - Square

R13 - 10 x 13cm - Round

V19 - 10 x 19 x 19cm - Square

R22 - 12 x 22cm - Round

R40 - 28 x 40cm - Round

V35 - 28 x 35 x 35cm - Square

Oval45 - 12 x 45 x 12cm - Kidney Shape