Play grade timber chips are environmentally friendly alternative to rubber type playground surfaces. Chipped and dried in our on-site woodchip drier our hard-wearing timber chips will not be easily displaced by either the elements or 'wear and tear'. Comply to BS/EN1176 and 1177 when installed to a depth of 150mm giving a critical fall height of 3.0 metres. The weight/volume of the pre-packed plastic bags is calculated to one sixteenth of a cubic meter. The contents will cover an area approximately 1.2m² (1.3yd²) to a depth of 50mm (2"). Mini Dumpy bag size 450 x 450 x 600mm