Silver Mulch increases yields up to 20% and lowers insect problems. Suitable for all types of plants and is ideal for organic gardening. Silver Mulch reflects sunlight up into the undersides of the canopy, thereby increasing photosynthesis, leading to rapid growth. Helps control soil temperatures as it holds back aphids, cucumber beetles, and squash vine borer. Dimensions 4’ x 50’ 1.25 Mil Smooth.