Pack and play soft enough for everyday packing. Strong enough for play. Strap on comes with 1.5 inches a Silicone O-Ring. It fits most dildos and packers. Vibe options two strategically placed inner pockets fit most vibrating bullets. Please note bullet vibrators are not included. Easy care. Machine washable. Briefs are made of 95% Cotton and 5% Spandex. Size ladies large, 32 inches waist. Stretchable waistband measured not stretched. Smooth texture. Please note strap on briefs only, attachments sold separately.