slip Sloane Queen Gift Set in Multi - Navy. Size all. Give the gift of beauty sleep these holidays with a limited edition gift set featuring our multi award-winning slipsilk ™ pillowcase and scrunchies.. Slipsilk is gentle on delicate hair (100% silk exclusive of elastic.). Anti aging. Anti bed head. Includes: (1) white pure silk queen/international standard (51 x 76cm/ 20 x 30) pillowcase with an invisible zipper closure, (1) large sloane slipsilk scrunchie, and (1) black slipsilk skinny scrunchie.. SLPF-WH1. 810046984062. About the designer: Founded in 2004, slip is an Australian-owned brand specializing in anti-aging silk pillowcases, face masks, and hair accessories to optimize your skin and hair health. Their award-winning and celebrity-loved products are made with slipsilk, developed and refined for over ten years to provide the ultimate combination of shine, thickness, softness and durability.