Pinit Synthetic Hydra Sponge 12-Count Package(0)No Reviews yet SKU: RBM-37350 $4.99 Quantity discounts available QuantityPrice Quantity -+ Add to Shopping Cart Details An economical alternative to natural sea sponges. Achieves a similar traditional effect. Also great for wet-on-wet techniques and charcoal blending. S... Details Back DetailsAn economical alternative to natural sea sponges. Achieves a similar traditional effect. Also great for wet-on-wet techniques and charcoal blending. Sponges are 2-3/4" in diameter. 12 sponges per package. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review