Bristols6 Cross Nippies in Beige. - size C (also in B) Bristols6 Cross Nippies in Beige. - size C (also in B) Lace and fabric nipple covers set. Self-adhesive. Stretch and form-fitting. Waterproof and sweatproof. 2 pairs. Made in USA. BRIS-WI28. CROSS NIPPIES. Finally, going au natural is considered fashionable again. Bristols6 lets you wear all that is revealing in fashion right now, with a natural cleavage. With all these fun assortment of nippies and covers you may not want to hide anything.