About Clean Bar Box. When you sign up for Clean Bar Box, every month you will receive a box of artisan handmade soaps carefully selected to match the scents of the season. Every subscription box includes four new tantalizing scents of soap. We offer monthly and bi-monthly plans, as well as two different box sizes for every kind of soap fan! Four new seasonally-inspired soaps in every box!. No preservatives, petroleum products, animal products, parabens, or lauryl sulfate. 100% Vegan and Earth Friendly. Recyclable and environmentally friendly packaging. Full-sized bars averaging 5 ounces each. Half-sized bars individually packed in cute muslin bags. Monthly plans, bi-monthly plans, and different box sizes for every kind of soap lover.