TRACTION fly boxes are made from lightweight eva foam and coated with a unique silicon dot matrix for improved traction in all conditions. Magnetic closure allows one handed opening and closure. Available in 3 colors: Orange, Olive, & Trout pattern 3 sizes:LARGE: 6 1/4 x 3 3/4 x 1 1/4"SMALL: 5 x 3 1/4 x 1 1/4"SLIM: 6 1/4 x 3 3/4 x 3/4" M1538 Small TRACTION box trout designM1539 Large TRACTION box trout designM1540 Slim TRACTION box trout designM1541 Small TRACTION box orangeM1542 Large TRACTION box orangeM1543 Small TRACTION box oliveM1544 Large TRACTION box olive