T-Sac Tea Filter Bags are single-use disposable tea infusers to steep loose leaf tea as conveniently as tea bags and without messy tea strainers. Set of 100 bags that are 4 x 3 x 0.5-inches and hold about 4 teaspoons. Perfectly sized to steep tea in a 2-4 cup teapot or carafe without fine-grade tea sediment; steep all varieties of loose leave tea and mull spices. Expandable gusset allows ample room for tea leaves to fully expand and for the filled T-Sac to sit securely without a filter stand. All-natural, chlorine free, won't change tea's flavor; single use, easy to fill, fully compostable, biodegradable, and disposable for easy cleanup.