Haxnicks Extra Thick Fleece Plant Frost Protection Blanket 10m x 1.8m A large extra thick frost protection fleece blanket from Haxnicks. Covers 18sqm - 10m long x 1.8m wide. FREE POSTAGE £12.95 Extra thick fleece blanket from Haxnicks provides superior plant protection against hard frosts, harsh weather, animals, birds & pests. Extra thick lightweight fabric fleece to retain warmth. Covers18sq m (194sq ft) 10m long (approx 33ft) by 1.8m wide (approx 6ft). Density 35gsm. The fleece protect plants whilst still allowing air and moisture through to maintain growth.