Eco-Friendly Chalk Bag Our chalk bag is lighter than our competitors AND it is sourced 100% from factory quality materials that would otherwise go to landfill. Whether in the gym or outside, this chalk bag will hold up for years. Available with or without the Pivot Product logo. Size: 13 cm ( about 5 in) x 19 cm (about 7.5 in) X 13 cm (about 5 in) Weight: 70 grams (about 2.5 oz)