A container assembly (8,308,408,508,608) configured to maintain a predetermined humidity for storing a product therein, the container assembly (8,308,408,508,608)comprising: a container (1,201,301,401,501,601,701) having a body with a body wall and a mouth opening into a storage cavity (6,206,306,406,606,706,706'); a cap (10,210,310,510,710) having a top wall, the cap (10,210,310,510,710) selectively mountable over the mouth of the container (1,201,301,401,501,601,701) to substantially enclose the storage cavity (6,206,306,406,606,706,706') in a mounted configuration; a sidewall (216a,316a,416a,516a,616a) extending substantially perpendicularly from one of the bottom body wall and the cap top wall, the sidewall (216a,316a,416a,516a,616a) defining an opening and a compartment (12,212,312,412,512,612,712'), the sidewall (216a,316a,416a,516a,616a) including an opening edge adjacent the opening; a moisture control material positioned within the compartment (12,212,312,412,512,612, 712'); and a sealing membrane (315,415,515,615) having a peripheral portion, the peripheral portion secured to the sidewall (216a,316a,416a,516a,616a) proximate the opening edge, the sealing membrane (315,415,515,615) configured to allow moisture flow therethrough to maintain the predetermined humidity in the storage cavity (6,206,306,406,606,706,706'), characterized in that the container assembly (8,308,408,508,608) further comprises a compartment lid (318,418,518,618) having a lid edge (318a,418a,518a,618a), a cavity surface (318b,418b,518b,618b) and a compartment surface (318c,418c,518c,618c), the compartment lid (318,418,518,618) connected to the sidewall (316a,416a,516a,616a) proximate the opening edge (316d,416d,516d,616d) with the compartment surface (318c,418c,518c,618c) facing the compartment (312,412,512,612) and the cavity surface (318b,418b,518b,618b) facing the storage cavity (306,406,506,606) when the cap (310,410,510,610) is mounted to the container (1,301,401,501,601), wherein the sealing membrane (315,415,515,615) is secured to the compartment surface (318c,418c,518c,618c) of the compartment lid (318,418,518,618). a container (1,201,301,401,501,601,701) having a body with a body wall and a mouth opening into a storage cavity (6,206,306,406,606,706,706'); a cap (10,210,310,510,710) having a top wall, the cap (10,210,310,510,710) selectively mountable over the mouth of the container (1,201,301,401,501,601,701) to substantially enclose the storage cavity (6,206,306,406,606,706,706') in a mounted configuration; a sidewall (216a,316a,416a,516a,616a) extending substantially perpendicularly from one of the bottom body wall and the cap top wall, the sidewall (216a,316a,416a,516a,616a) defining an opening and a compartment (12,212,312,412,512,612,712'), the sidewall (216a,316a,416a,516a,616a) including an opening edge adjacent the opening; a moisture control material positioned within the compartment (12,212,312,412,512,612, 712'); and a sealing membrane (315,415,515,615) having a peripheral portion, the peripheral portion secured to the sidewall (216a,316a,416a,516a,616a) proximate the opening edge, the sealing membrane (315,415,515,615) configured to allow moisture flow therethrough to maintain the predetermined humidity in the storage cavity (6,206,306,406,606,706,706'), characterized in that the container assembly (8,308,408,508,608) further comprises a compartment lid (318,418,518,618) having a lid edge (318a,418a,518a,618a), a cavity surface (318b,418b,518b,618b) and a compartment surface (318c,418c,518c,618c), the compartment lid (318,418,518,618) connected to the sidewall (316a,416a,516a,616a) proximate the opening edge (316d,416d,516d,616d) with the compartment surface (318c,418c,518c,618c) facing the compartment (312,412,512,612) and the cavity surface (318b,418b,518b,618b) facing the storage cavity (306,406,506,606) when the cap (310,410,510,610) is mounted to the container (1,301,401,501,601), wherein the sealing membrane (315,415,515,615) is secured to the compartment surface (318c,418c,518c,618c) of the compartment lid (318,418,518,618).