Jumping Blocks: 17000A: 90cm (L) x 15cm(H) x 15cm (T) 17000B: 90cm (L) x 20cm (H) x 15cm (T) 17000C: 90cm (L) x 25cm (H) x 15cm (T) 17000D: 90cm (L) x 30cm (H) x 15cm (T) - All foam modules are made using the highest quality of EPE, PU and XPE foam - Foam modules are made with a combination of HD-EPE and HD-XLPE Foam - Covers are made of Heavy duty double coated nylon PVC covers of 1680 GSM; non-tearing and washable; with carry handles.