Stila Double-Ended Blending Sponge in Purple. Stila Double-Ended Blending Sponge in Purple. Apply and blend foundation like a pro with Stila's Double Ended Blending Sponge. This soft, bouncy applicator has a rounded and a pointed side, which work together to give you an immaculate finish whether you prefer cream or liquid base products.. Soft, dual-ended sponge provides a smooth, streak-free finish. Features a pointed end for hard-to-reach areas and a rounded end for all-over blending. STIL-WU274. SB82010001. Created in 1994 by a top celebrity makeup artist, Stila is known for its modern, sophisticated, non-intimidating approach to beauty. The brand's innovative, multi-tasking formulas, eco-friendly packaging, and fashion-forward colors have cemented its place on must-have lists of top beauty editors around the world.