Foam for upholstery project, cushions etc (Great Strickland CA10)

Three pieces of foam. Originally two the same size but one has been cut in half - can be cut easily using a serated knife. Unused but one has been slightly nibbled (see pics) Approximate measurements:
All 11cm deep and 117cm long
Large piece is 78cm wide
Two smaller pieces are 39cm wide
Collect from Great Strickland, or could meet in Penrith