Took my new handmade blending board & packing brush set (from Celestial Farms on Etsy) for a spin. All these rolags weighed in at 351 grams. The Splatoon-a-melon is merino, bio nylon, trilobal nylon, & rose fibre. The Aussie rolags are merino, superwash merino, trilobal nylon, & rose fibre.