Dr. Joel Kaplan Anal Training Kit comes with 2 different size probes. Endorsed by Dr. Joel Kaplan. Ergonomically shaped, sleek, smooth, firm, flexible, seamless plugs with superior suction cup base. 2 unique sizes for beginners and experts alike. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials PVC. Recommended lubricants are water base. Small anal probe measures 3.25 inches long by .75 inch wide. Medium probe measures 6 inches long by 1.25 inches wide. Bulk weight 2.6 ounces. Always clean before and after use. A water based lubricant is recommended. Category: For Men, Anal Toys, Probes. Dr. Joel Kaplan Anal Training Kit is a registered trademark for California Exotic Novelties. Sex Toys and Sexual Wellness.